8 picks · 78% publish a folded size, 48% on the product page · smallest box 34.1 in on its longest side, largest 50.4 in · 21 of 23 can be ordered, as of September 28 · 0 of 11 AI answers cited a government or standards source

Quick answer. Buy a folding e-bike on its folded box: measure your space first. The Samebike CY20 Pro Spoked at $519 folds to 12.94 cubic feet, the Addmotor FoldTan M-160 at $1,499 has the smallest box on any product page we read at 11.67, and the VTUVIA SF20H at $1,299 weighs the least on a product page, 60 lb.

Samebike publishes the CY20's unfolded size too, so its fold is checkable; the SF20H's 60 lb includes its rack and fenders, and it stops on hydraulic brakes. Ready to order: CY20 Pro Spoked, $519 · FoldTan M-160, $1,499 · SF20H, $1,299.

Best folding electric bikes cover: MEASURE YOUR SPACE FIRST over the Wells Street Bridge in Chicago, its upper deck carrying the CTA 'L' across the Chicago River at sunrise, with the stat 8 picks from four brands

The Wells Street Bridge in Chicago carries the CTA 'L' on its upper deck, and the CTA allows a folded e-bike on its trains at any hour. The scene was generated on Playcut from David Wilson's photograph of the bridge (CC BY 2.0).

Last verified September 28, 2026, against manufacturer pages retrieved the same day. Every folded dimension, weight, battery and payload figure below was read off the maker's own record rather than off our product listings. Where a maker gives two figures, both are printed; where it gives none, the cell says so and we never fill it in.

By Milad Ghobadibeygvand, BScN (Western University, 2014), Redtail eBikes. Corrections: support@redtailebikes.com.


What's in this guide

The one number that decides a folding e-bike, and where to find it

A folding e-bike is bought for one reason. It has to fit somewhere a normal bike doesn't: an apartment closet, a car trunk, the space beside a desk, the bay of an RV. Every other spec on the page, the motor, the range, the tire, is a spec you'd weigh on any e-bike. The folded size is the only one that belongs to this category alone.

Weight is the other one, and our Helena guide measures it against NIOSH's lifting benchmark, a 51 lb load constant for an ideal lift. None of the 23 folders here publishes a weight under 60 lb.

If that lift happens on stairs, open the e-bike finder with "It has to fold" ticked, choose "Up stairs" and enter the most you can carry: it keeps only folders at or under that weight that also suit your height and weight.

So we went looking for it on every folding e-bike we sell, and read each maker's own page rather than our own listing.

Of the 23 folding models whose manufacturer record we could read, 18 publish a folded size somewhere, and 11 print it in the product page's own text. The eleven come from Samebike, VTUVIA, Eunorau and Addmotor. Six more give it in a specification table the page loads separately, and one in its maker's blog.

So this guide is organized by the space you have rather than by "best overall", because that is the question the category exists to answer.

What the maker publishes Models Share
A folded size in readable product-page text, with units 11 48%
A folded size, only in a separately loaded specification layer 6 26%
A folded size, only in the maker's blog 1 4%
No folded size in the page, record, specification table or blog 5 22%
Publishes one somewhere 18 78%

Denominator: every folding model we sell from a brand our buying guides recommend, 23 models from five makers, each maker record retrieved and read on September 28, 2026. A 24th listing, the Eunorau E-FAT-MN, is excluded because its maker page now redirects to a collection; see Limitations.

How we measured this

We started from every folding model on our own shelf, then went to the manufacturer for each one. Twenty-four product addresses were requested on September 28, 2026: twenty-three answered with the product, and one now redirects to its maker's folding collection. Where a maker's page carried no spec table, we went to where the spec table actually lives.

Addmotor serves its specification table separately from the page text, so every Addmotor folded size, weight and payload in this guide was read from that table as well as from the page. Samebike keeps its specification table inside its page source, and that was read too; it gives a weight for all five Samebike folders.

Makers also publish figures outside their product pages, so their blogs were read as well: 1,781 posts from Samebike's US blog and the VTUVIA, Eunorau, DWMEIGI and Addmotor blogs. Where a post gives a model a different figure from its product page, the card prints both, with the post's date.

Where a maker publishes two different folded sizes

Three models carry two folded sizes in two places. Both figures are printed, because the difference matters when you are measuring a space.

Of the three, the SX20 is a pick here and its card prints both boxes. For any of them, ask which figure is current, and what it includes, before you measure a trunk or a closet against it, and ask us before you order.

Takeaway

The folded box is the only spec that belongs to this category alone. Measure your gap first (trunk opening, closet door, hallway, elevator), then shortlist from the 18 of 23 models whose maker publishes a folded size.

Your pre-purchase checklist: measure three things before you shop

Do this first: it takes five minutes, and it tells you which folded boxes to rule out before you look at a single spec.

  1. The gap, at its narrowest point. Not the trunk floor: the trunk opening. Not the closet interior: the door frame. Write down length, width and height in inches. The narrowest of the three is the one that decides.
  2. The lift. How high, how far, and how often. A 60 lb bike lifted once a week into an SUV cargo area is a different machine from the same bike carried up two flights every night.
  3. The route in. Doorways, thresholds, a lift, a stair turn. Check the folded box's two smallest sides against the narrowest opening on the way, and all three against the lift car. The L+W+H column below adds the three sides, a quick way to rank how compact each fold is.

Then compare against the folded boxes below.

Bike Folded (in) Cubic feet L+W+H Price
Addmotor FoldTan M-160 34.1 × 20.9 × 28.3 11.67 83.3" $1,499
VTUVIA SX20 35.4 × 20.9 × 28.3 12.12 84.6" $1,299
Samebike CY20 Pro Spoked 34.6 × 19.3 × 33.5 12.94 87.4" $519
Samebike RS-A02 Pro 39.0 × 21.7 × 31.1 15.19 91.7" $939
Eunorau META20 41.3 × 22.0 × 30.7 16.20 94.1" $1,529
Addmotor CityTri E-310 45.3 × 33.9 × 28.7 25.51 107.9" $1,599

Every row is the manufacturer's own figure, from its product page or the specification table that page loads, converted to inches where the maker publishes millimeters or centimeters. A folded box is not packed volume, since a bike is not a solid brick, but the box is what a trunk opening and a doorway constrain.

VTUVIA's blog gives the SX20 a smaller box than its product page does, 25.2" × 33.5" × 11.5", in posts from August 2024 to March 2025, and gives the SF20H's folded box as 28.7" × 33.8" × 12.2" in a March 19, 2025 post. Measure your space against the product-page box, and ask us before you rely on a blog figure.

The spread is the point. The largest folded box a maker publishes here is 4.0 times the volume of the smallest, and both are sold as folding e-bikes. A category name is not a size.

Does the fold actually save you anything?

Five models, from two makers, publish both the folded and the unfolded size, which is how you check what the hinge buys you. Four are shown here; the fifth is the CY20 Pro Spoked's solid-wheel sibling, which publishes the same figures:

Bike Unfolded Folded Unfolded ÷ folded
Samebike CY20 Pro Spoked 44.46 cu ft 12.94 cu ft 3.44
Samebike RS-A02 Pro 45.65 cu ft 15.19 cu ft 3.01
Addmotor TriKetan M-330F 73.40 cu ft 26.35 or 36.04 cu ft 2.78 or 2.04
Samebike RS-A02 Plus 43.84 cu ft 25.34 cu ft 1.73

The M-330F's unfolded size comes from a staff answer on Addmotor's own page, which gives the folded box as 36.04 cubic feet against the spec table's 26.35; both are Addmotor's, and both ratios are shown.

Samebike's page text gives the RS-A02 Pro unfolded at 1710 × 630 × 1200 mm and its specification table 1.72 × 0.63 × 1.2 m (3.01 and 3.02), and the RS-A02 Plus 1710 × 660 × 1100 mm and 1.7 × 0.66 × 1.1 m (1.73 and 1.72); the table uses the page text.

Look at the last row. The RS-A02 Plus folds front and body, and its folded box is 58% of its unfolded one, the least compression of the five. The RS-A02 Pro in the fat-tire area folds to a third of its unfolded box and costs $200 less, which is why that area carries the Pro.


Every pick below links to its product page and a working cart link, and the price you read here is the price you meet at checkout, verified on September 28, 2026, and Addmotor's again on October 4, 2026 after Addmotor's price cut, and the NEW-TRIKE 2.0's on October 18, 2026. Browse the full folding range if you want to compare beyond these eight, or the fat tire range if grip matters more to you than the folded box.

Shop folding e-bikes

Best folding e-bikes for a small space, a closet, or a car trunk

Buy the Samebike CY20 Pro Spoked at $519 if the budget is tight, the VTUVIA SX20 at $1,299 if you want fat tires in a small box, and the Addmotor FoldTan M-160 at $1,499 if the space is genuinely narrow: it folds to 11.67 cubic feet, the smallest box on any product page we read.

This is the area the category exists for. Every pick here publishes its folded box on its product page, because an area about fitting into a space is decided by that number.

Budget — Samebike CY20 Pro Spoked, $519

Who this is for: someone storing the bike indoors in an apartment or a small house, who will lift it over a threshold rather than up a staircase, and who wants real range for the money.

What ride it is for: paved streets and bike lanes; by the planning rule in the range section, its 624 Wh covers about 21 to 31 miles at full assist. For commuting beyond folders, read our commuter electric bikes guide.

What decides it: it folds to 34.6" × 19.3" × 33.5", 12.94 cubic feet, measured without the front basket, at the lowest price on this page. Samebike also publishes the unfolded size, so you can check the fold rather than trust it: the unfolded box is 3.44 times the folded one, tied with its solid-wheel sibling for the largest compression any maker here publishes.

Samebike gives the pack as 48V 13Ah, 624 Wh, and up to 62 miles in its first assist level. The spec strip gives 50 to 100 km, and Samebike's product photographs of the CY20 Pro carry a TÜV SÜD mark reading UL 2849.

Who should not buy it: anyone lifting it every day: Samebike lists it at 31 kg (68 lb). If lifting is your daily constraint, read the VTUVIA SF20H in the fat-tire area (60 lb with its rack and fenders) or the Eunorau META20 below (63.4 lb). For broken ground, the RS-A02 Pro in that area adds suspension at both ends for $939.

Samebike CY20 Pro Spoked in Black, Samebike's own product photograph

Samebike's own product photograph of the Samebike CY20 Pro Spoked in Black, with its TÜV SÜD mark, cropped and scaled only.

See the Samebike CY20 Pro Spoked · Add to cart in Black

$519, Samebike's own checkout price with its Black Friday code BF80, read October 30, 2026 (Samebike's list price is $899). Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.

Choosing between the two CY20 Pros. Samebike sells a CY20 Pro with a solid wheel at the same price, and we sell the solid-wheel CY20 Pro too, also at $519. The two share a folded box, a motor, a tire size and a published 31 kg weight; the spoked bike carries 48V 13Ah against the solid wheel's 36V 13Ah, which on Samebike's own figures is 156 more watt-hours for the same price, so the spoked bike is the pick here.

The solid-wheel page gives its pack as 468 Wh in two places and 540 Wh in a third, and our Samebike CY20 Pro review covers that bike in full.

Mid — VTUVIA SX20, $1,299

Who this is for: a rider who wants fat tires and a low step-through frame, and still has to fit the bike into a small space. Our VTUVIA SX20 review finds its seat post reaching the formula's saddle height for 97 or more of every 100 riders from 5'0" to 5'8".

What ride it is for: pavement, packed paths and rail-trails, up to 70 miles on pedal assist and 40 on the throttle alone, by VTUVIA's figures.

What decides it: 35.4" × 20.9" × 28.3" folded, 12.12 cubic feet on VTUVIA's product page, the second-smallest box on any product page we read, on 20" × 4.0" tires with Logan hydraulic discs, a 13.8" standover and a rider range of 5'0" to 6'2". VTUVIA's posts from August 2024 to March 2025 give the fold as 25.2" × 33.5" × 11.5"; measure against the larger box.

Who should not buy it: anyone lifting it every day: VTUVIA gives it 70 lb with its rack and fenders, and its August 4, 2024 post about 60 lb. If the lift decides it, the SF20H in the fat-tire area publishes 60 lb on its product page.

It ships as Class 2 at 20 mph on VTUVIA's specification table; VTUVIA's September 17, 2024 post gives it 28 mph, so ask us which setting yours ships with. Above 20 mph it no longer rides as a Class 2 e-bike, so check your state's rules before you change the setting. Testers summarized by BikeRide credit its climbing and its Logan brakes and call it "a hefty folding e-bike" at 70 lb.

VTUVIA SX20 in Teal Blue, VTUVIA's own product photograph

VTUVIA's own product photograph of the VTUVIA SX20 in Teal Blue, cropped and scaled only.

See the VTUVIA SX20 · Add to cart in Teal Blue

$1,299, the same price as VTUVIA's own US store on September 28, 2026 (VTUVIA's list price is $1,599). Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.

Luxury — Addmotor FoldTan M-160, $1,499

Who this is for: the tightest storage problem on this page: a narrow closet, a small trunk, a bike that has to disappear.

What ride it is for: longer rides on mixed surfaces; Addmotor publishes up to 100 miles at the lowest assist level.

What decides it: 11.67 cubic feet folded, the smallest box on any product page we read. At 34.1" × 20.9" × 28.3" it is the only product-page box here under 84 linear inches. It carries 960 Wh, 750 W and 20" × 4.0" fat tires (Addmotor); its load is given as 300 lb on the spec strip and 280 lb in the measurement notes.

Who should not buy it: it is 81.6 lb, the heaviest bike in this area. If the lift matters more than the footprint, the VTUVIA SX20 above folds to 12.12 cubic feet at 70 lb.

Addmotor FoldTan M-160 in Olive Green, Addmotor's own product photograph

Addmotor's own product photograph of the Addmotor FoldTan M-160 in Olive Green, cropped and scaled only.

See the Addmotor FoldTan M-160 · Add to cart in Olive Green

$1,499, the same price as Addmotor's own US store on October 3, 2026 (Addmotor's list price is $2,099). Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.


Best folding e-bikes for broken pavement, gravel and snow

Buy the Samebike RS-A02 Pro at $939 for suspension at both ends and a published folded box (plan on its mechanical discs), or the VTUVIA SF20H at $1,299 for the lightest fat-tire folder on any product page we read, on hydraulic brakes with both UL certifications.

Fat tires draw 251 distinct search phrasings in our demand harvest, second only to the 272 that ask which folder is best. They also make the folded box bigger, and the picks below say by how much.

If you don't need the bike to fold and gravel roads or rail-trails are your main surface, read our electric bikes for gravel roads guide instead.

Budget — Samebike RS-A02 Pro, $939

Who this is for: a rider whose complaint about rough ground is comfort and stopping rather than power.

What ride it is for: daily riding over bad surfaces, with luggage, in the wet.

What decides it: suspension at both ends for the least money in this area, on a folder that publishes its folded box: 15.19 cubic feet, in plain page text. 720 Wh, 1000 W rated, 1500 W peak and 20" × 4.0" tires (Samebike); Samebike lists it at 33 kg (73 lb).

Samebike's spec strip, specification table and feature block say mechanical disc brakes; its description paragraph says hydraulic. Buy this bike for the suspension and the published folded box, plan on the mechanical discs of its spec table, and ask us which yours ships with. Our RS-A02 Pro review prints both brake listings and computes the range by speed and hill.

Who should not buy it: if you want the most watt-hours per dollar, the CY20 Pro Spoked above gives 624 Wh for $519. And read the legality section before you buy: Samebike publishes 1000 W rated on this bike, above the federal line.

Samebike RS-A02 Pro in Black, Samebike's own product photograph

Samebike's own product photograph of the Samebike RS-A02 Pro in Black, cropped and scaled only.

See the Samebike RS-A02 Pro · Add to cart in Black

$939, Samebike's own checkout price with its code N60, read October 30, 2026 (Samebike's list price is $1,299). Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.

Mid — VTUVIA SF20H, $1,299

Who this is for: a rider who needs fat tires for bad surfaces and will lift the bike, into a car or up a step, more than once a week.

What ride it is for: broken pavement, packed gravel and winter streets, with a child seat or a delivery box on its welded rear rack.

What decides it: 60 lb with its rack and fenders on VTUVIA's product page, the lightest weight on any product page we read, on 20" × 4.0" tires with Logan hydraulic discs and a suspension fork, and 330 lb of total capacity. Its specifications name both UL 2849 and UL 2271, one of two folders here that do. VTUVIA's September 11, 2024 post gives it 70 lb with the battery.

Who should not buy it: anyone who must measure a space to the inch: VTUVIA gives the folded box as 28.7" × 33.8" × 12.2" in a March 19, 2025 post, so if the inch matters, the SX20 in the area above prints its box on its product page, or ask us before you order.

VTUVIA ships it limited to 20 mph and says it can reach 28 mph under full power; at 28 mph it is outside Class 2, so read your state's rules before unlocking it. Electrified Reviews, testing the 2022 SF-20H, noted "a surprisingly high max payload capacity of 330 pounds" and called it "a great choice for those who need an affordable, yet capable folding e-bike". Our VTUVIA SF20H review covers the bike in full.

VTUVIA SF20H in White, VTUVIA's own product photograph

VTUVIA's own product photograph of the VTUVIA SF20H in White, cropped and scaled only.

See the VTUVIA SF20H · Add to cart in White

$1,299, the same price as VTUVIA's own US store on September 28, 2026 (VTUVIA's list price is $1,399). Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.

This area carries two picks

Above $1,299, the fat-tire folders we sell are the FoldTan M-160, already the small-space luxury pick, and the FoldTan M-120 and M-140, which could not be ordered on September 28, 2026; Addmotor's Kunlun ($2,599) is not placed, for the reason in Limitations item 5. So the area ships with two picks rather than a third chosen to fill a tier.


Best folding e-bikes for a daily commute

A folder earns its keep where transit rules let it board when a full-size bike cannot. In Chicago, the CTA allows a folded e-bike on any train at any hour and an unfolded one not at all in rush hour, as our Chicago guide sets out.

Buy the Eunorau META20 at $1,529. Eunorau publishes its weight (63.4 lb), its folded size and a plain-language storage answer together, and on a commute you fold twice a day, so the lift is the spec you meet every day.

Commuting is where weight stops being an abstraction: you lift the bike at both ends of every trip.

Mid — Eunorau META20, $1,529

Who this is for: the rider who lifts the bike every single day and wants a published number for it.

What ride it is for: long commutes; Eunorau publishes up to 100 miles on the dual-battery setup.

What decides it: 63.4 lb published, with a folded size Eunorau writes out in plain language in its own FAQ: "approximately 105cm (L) × 78cm (H) × 56cm (W)", in answer to the question "will it fit in my trunk or apartment closet?". Class 2, 20 mph, 286 lb payload, 20" × 3.0" (Eunorau). Our META20 review covers it in full.

Who should not buy it: its folded box is 16.20 cubic feet, the largest two-wheel box in the comparison table. It is light. It is not small. If small is the constraint, the FoldTan M-160 folds 28% smaller.

Eunorau META20 in Alpine White, Eunorau's own product photograph

Eunorau's own product photograph of the Eunorau META20 in Alpine White, cropped and scaled only.

See the Eunorau META20 · Add to cart in Alpine White

$1,699, the same price as Eunorau's own US store on September 28, 2026. Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.

This area carries one pick, and here is what is missing

Two tiers are empty and we are not filling either.

Below the META20, the honest budget commuter on our shelf is the Samebike CY20 Pro Spoked, and it is already the budget pick of the small-space area above, because it wins there on the same numbers. Listing it twice would pad the count without adding a bike.

Above it, the one two-wheel folder we sell over $1,699 is Addmotor's Kunlun at $2,599; Limitations item 5 says why it is not placed here. So this area carries one folder, chosen because it answers the commuter's question: a published weight, a published folded size and a plain-language storage answer, on the same page.


Folding electric trikes, if two wheels is the problem

Buy the Addmotor CityTri E-310 at $1,599 for the only folding trike here whose specifications name both UL 2271 and UL 2849, or the Eunorau NEW-TRIKE 2.0 at $1,699 for a 440 lb total payload capacity on three wheels.

Some people don't need a smaller bike. They need a bike that doesn't fall over at a standstill. Folding trikes answer that, and they fold big: every folding trike whose maker prints a box folds bigger than every two-wheel pick here. A trike also corners differently from a bicycle, because it does not lean, so slow down before every turn, more on a downhill or uneven ground, and practice in an empty lot before you ride traffic.

Mid — Addmotor CityTri E-310, $1,599

Who this is for: a rider who wants three wheels for balance, and wants the battery certified.

What ride it is for: neighborhood and errand riding, up to a published 90 miles at the lowest assist.

What decides it: 960 Wh, with both UL 2271 and UL 2849 named in its specifications, the only folding trike here that names both.

Three mechanical disc brakes, one on each wheel, 750 W, a 280 lb rider capacity plus 80 lb of cargo, and a folded size of 45.3" × 33.9" × 28.7" (Addmotor): that is the Standard trim. The Plus trim folds to 49" × 34.5" × 37.3", 43% more volume, so check which trim you are buying before you measure a space for it.

Addmotor's spec table gives 88 lb; its August 30, 2026 post gives 86 lb for the Standard, and a July 8, 2024 post a 44.1" × 33.9" × 24.8" fold. Our CityTri E-310 review covers the trike in full.

Who should not buy it: anyone storing it in a closet: at 25.51 cubic feet folded it is about twice the CY20 Pro Spoked's box, so measure the cargo area or the room before you order. If balance is not your problem, read the VTUVIA SX20 above: it folds to 12.12 cubic feet against this trike's 25.51.

Addmotor CityTri E-310 in Yellow, Addmotor's own product photograph

Addmotor's own product photograph of the Addmotor CityTri E-310 in Yellow, cropped and scaled only.

See the Addmotor CityTri E-310 · Add to cart in Yellow, Standard

$1,599, the same price as Addmotor's own US store for the Standard trim this button adds, on October 3, 2026 (Addmotor's list price is $1,999). Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.

Luxury — Eunorau NEW-TRIKE 2.0, $1,699

Who this is for: a heavier rider, or one carrying real weight, who needs the stability of three wheels.

What ride it is for: loaded local riding, 60 to 100 published miles on 48 V 20 Ah.

What decides it: a 440 lb total payload capacity, as Eunorau publishes it. Class 2, 500 W front drive, and a spec strip that reads "UL CERTIFIED Yes" (Eunorau).

Who should not buy it: if your decision turns on fitting a specific space, the CityTri E-310 above is the trike to measure against, because Addmotor publishes its folded size for both trims. We reviewed this trike in full in our Eunorau NEW-TRIKE 2.0 review.

Eunorau NEW-TRIKE 2.0 in Deep Crimson, Eunorau's own product photograph

Eunorau's own product photograph of the Eunorau NEW-TRIKE 2.0 in Deep Crimson, cropped and scaled only.

See the Eunorau NEW-TRIKE 2.0 · Add to cart in Deep Crimson

$1,999, the same price as Eunorau's own US store on October 18, 2026. Free shipping in the lower 48, Shop Pay Installments at checkout, US support and warranty through us, and we file the carrier claim if it arrives damaged.

The budget tier in this area is empty too

There is a cheaper folding trike on our shelf: the Addmotor CityTan M-315 at $1,099, which folds to 41.3" × 43.3" × 45.3". Our Citytan review sets it beside the CityTri and compares its two motors.

We did not pick it, and the reason is a rule rather than a fault in the trike. It would make both trike picks Addmotor, and we cap any single brand at one pick per area so our recommendations do not become one supplier's catalog. Every other folding trike we sell costs more than the CityTri, so the area carries two picks, one from each of two brands.


Folders we could not put in this guide

Of the 23 folding models on our shelf from the brands our guides recommend, 21 could be ordered on September 28, 2026 and 2 could not.

Could not be added to a cart, September 28, 2026 Listed price
Addmotor FoldTan M-120 $1,399
Addmotor FoldTan M-140 $1,599

Both are 20" × 4.0" fat-tire folders that Addmotor publishes a folded size for, and either would have been a candidate for the fat-tire area. If you want one, ask us at support@redtailebikes.com and we'll tell you what we actually know about resupply rather than guess at a date.

Ridstar. We do not recommend Ridstar machines on this guide or on any other. The US Consumer Product Safety Commission issued two stop-use warnings in 2026 on the same maker's Q20 family, neither a recall: the first, of March 19, states "The e-bikes' batteries and wires can ignite, posing a fire hazard to consumers" and says the manufacturer "has refused to agree to an acceptable recall".

The second, of June 25, states "The front wheel can detach without warning, posing a crash hazard to consumers." Our Ridstar brand profile sets out the whole record.

Who each of these bikes is actually for

Eight picks is still a list, and a list is not a decision. The same set, arranged by the person rather than the bike:

If this is you The pick Why, in one line
Apartment dweller, bike lives indoors, tight budget Samebike CY20 Pro Spoked, $519 12.94 cu ft folded, and the maker publishes an unfolded figure too
Apartment dweller who wants fat tires VTUVIA SX20, $1,299 12.12 cu ft on VTUVIA's product page, on 20" × 4.0" tires and a 13.8" standover
The storage problem is genuinely severe Addmotor FoldTan M-160, $1,499 11.67 cu ft, the smallest box on any product page we read, at 81.6 lb
Bad surfaces, wants comfort not power Samebike RS-A02 Pro, $939 A fork and a rear shock at $939; plan on the mechanical discs of Samebike's spec table
Rough ground, and lifts the bike often VTUVIA SF20H, $1,299 60 lb with rack and fenders on VTUVIA's page, hydraulic brakes, both UL marks
Long commute, smallest possible spend Samebike CY20 Pro Spoked, $519 The lowest price here, with the fold checkable against a published unfolded size
Lifts the bike every single day Eunorau META20, $1,529 63.4 lb published, and the maker answers the storage question in plain English
Balance is the problem rather than space Addmotor CityTri E-310, $1,599 The only folding trike here whose specifications name both UL 2271 and UL 2849
Needs three wheels and high payload Eunorau NEW-TRIKE 2.0, $1,699 A 440 lb total payload capacity, as Eunorau publishes it

Small box, lowest price: the Samebike CY20 Pro Spoked folds to 12.94 cubic feet at $519, Samebike's own checkout price with its Black Friday code BF80 on October 30, 2026, with free shipping in the lower 48 and US support and warranty through us.

Buy the CY20 Pro Spoked, $519

Two riders this guide does not serve well, said plainly.

If you want a step-through frame for easier mounting rather than for storage, folding is not the feature you are paying for. Our electric bikes for seniors guide and frame types guide are better routes.

If you want to carry cargo or a child, the VTUVIA SF20H is the folder built for it: VTUVIA sells it as a utility bike with a welded rear rack and 330 lb of total capacity, and lists a rack-mounted child-seat kit for it. Past that, a cargo e-bike is the better tool, and our e-bike buying guide covers cargo bikes.

What we'd tell a friend in five specific situations

"I live on the third floor with no lift"

Buy on weight first and treat the folded box as secondary, because riding daily means carrying it up and down about 60 times a month. The lightest weights on any product page we read are the VTUVIA SF20H's 60 lb with its rack and fenders and the Eunorau META20's 63.4 lb.

60 lb up three flights is hard work, so be honest with yourself about whether you will do it. If the answer is no, the fold is not the feature you need, and our electric bike buying guide will point you at a full-size bike and a ground-floor lock-up instead.

"It has to live in a car trunk most of the time"

Measure the trunk opening at its narrowest, then work down the folded table and check each side against the opening. The FoldTan M-160 at 83.3 linear inches, the SX20 at 84.6 and the CY20 Pro Spoked at 87.4 are the three picks whose product-page box totals under 90. Check the height against the opening's height as well as its width.

"I ride to a train, then ride again at the other end"

Weight and fold speed matter more than range, because you are doing this twice a day in a crowd. Go for the CY20 Pro Spoked if budget rules, or the META20 if you can spend, because its maker publishes both a weight and a plain-English folded size. Check your operator's rules on folded bikes at peak times before you commit.

"It's for an RV or a boat"

Decide on the folded box first, then on salt. The FoldTan M-160 has the smallest box on any product page we read; the CY20 Pro Spoked is the cheapest pick that publishes one. Rinse and dry anything that meets salt air, and check the chain and the brake rotors first.

"I want the most bike for the least money"

This is a different question from "which folds best", and you should ask it honestly. On battery per dollar the CY20 Pro Spoked leads the picks, 624 Wh for $519, and it also has the smallest box of the picks under $1,000.

But if the fold is not solving a problem for you, read our first electric bike guide before you buy a folder.

Wheel size: what 16, 20 and 26 inches actually change

Folding bikes use small wheels because small wheels fold into a smaller box, and most of what follows is a consequence of that.

Every two-wheel pick in this guide rides on 20-inch wheels, and the five whose product page prints a folded box stay between 11.67 and 16.20 cubic feet.

A 20-inch wheel hits a pothole edge at a sharper angle than a 26-inch wheel does. The same hole becomes a bigger jolt and, at the limit, a bigger risk of a pinch flat.

The difference is real handling rather than marketing, and it is why the fat-tire and suspension picks in this guide exist. Tire volume and a suspension fork are how a small-wheeled bike buys back the compliance the wheel size costs it.

The practical guidance is short. On smooth surfaces, 20 inches is fine and folds better.

On broken pavement, gravel or winter streets, either move up in tire width, to the 20" × 4.0" tires on the FoldTan M-160, the SX20, the SF20H and the RS-A02 Pro, or move up in wheel size and accept a bigger box. Our suspension guide covers what a fork actually does, and our fat tire comparison works out the efficiency cost of the wider casing.

One forum poster put the category's trade plainly: skinny-tire folders run around 40 lb and fat-tire ones around 60, and the choice is pavement versus varied terrain. On our shelf both numbers are optimistic, but the trade they describe is the right one.

The four brands on this page, and what each is actually good at

Brand names carry 215 distinct phrasings in our demand data, fifth of thirty themes, so here is what we can say about each from its own published record rather than its reputation.

Samebike supplies two of the eight picks and publishes folded and unfolded sizes on four models (CY20 Pro, CY20 Pro Spoked, RS-A02 Pro, RS-A02 Plus), which gives this guide four of its five compression ratios.

It also publishes each model's weight: 31 kg (68 lb) for both CY20 Pro versions, 30.5 kg (67 lb) for the LO26 Plus, and 33 kg (73 lb) for the RS-A02 Pro and RS-A02 Plus. Its CY20 Pro photographs carry a TÜV SÜD mark reading UL 2849.

VTUVIA supplies two picks and writes its specification table in both units: the SX20's folded box appears in inches and in centimeters, with its weight counted with the rack and fenders fitted, and the SF20H is one of two folders here whose specifications name both UL 2849 and UL 2271. Its blog gives the SX20 a second folded box and gives the SF20H's; both are printed on their cards.

Addmotor supplies two picks, and all ten of its folding models publish a folded size, most of them in a specification layer the page loads separately, so this guide read that layer for every model. Its staff also answer buyers' questions on the product page, including folded sizes for the SpyTan 2 and TriKetan M-330F.

Eunorau answers the storage question in the buyer's own words: its META20 FAQ answers "will it fit in my trunk or apartment closet?" directly, and the NEW-TRIKE 2.0 carries the higher payload of the two trikes placed here.

We sell all four. What each publishes is what you can check before you buy, and every figure above links to the page it came from.

How to fold one, and the three mistakes that break them

Every bike in this guide folds the same way in outline, and the order matters more than people expect.

  1. Turn the bike off and take the key out. A folding frame moves the throttle and the brake levers through positions they are not designed to be squeezed in.
  2. Fold the pedals first. They are the parts that catch on everything.
  3. Release the stem clamp and lower the handlebar. Do this before the frame, always.
  4. Release the main frame latch and bring the two halves together until the magnet or catch engages.
  5. Check the cables. Nothing should be pinched, stretched taut, or trapped between the frame halves.

The three mistakes that actually cause damage:

  • Folding the frame before dropping the stem. This is the most common one, and it traps brake and shifter cables in the hinge. Repeated, it kills a cable housing.
  • Lifting a folded bike by the handlebar or the saddle. Neither is a structural carry point on a folded frame. Lift from the frame itself, near the hinge.
  • Riding with a latch that has developed play. A folding frame latch that rattles or moves under load is not a maintenance item to get to later. Stop riding it and get it looked at.

Everything else is ordinary e-bike maintenance — tire pressure, chain, brake pads, and keeping the battery between roughly 20% and 80% for storage. The hinge itself needs a clean and a light lubricant occasionally and, more importantly, a look every time you fold it.

What the range numbers mean, and what they don't

Range is the figure on a folder's page to read most carefully.

Every range figure in this guide is the manufacturer's, and every manufacturer quotes its best case.

Addmotor's 100 miles for the FoldTan M-160 and its 90 miles for the CityTri E-310 are both stated at PAS 1, the lowest assist level, where you are doing most of the work. Eunorau's 100 miles for the META20 requires the optional second battery rather than the one on the bike. VTUVIA publishes two figures per folder, so the SX20 reads 70 miles on pedal assist and 40 on the throttle alone.

Compare watt-hours, because that is the fuel.

Pick Battery Maker's range claim Basis
Samebike CY20 Pro Spoked 624 Wh up to 62 mi; 50–100 km on the spec strip lowest assist to highest
Samebike RS-A02 Pro 720 Wh 31–72 mi in the manual; 55–110 km on the page pure electric to pedal assist
VTUVIA SX20 672 Wh 70 mi assist / 40 mi throttle both figures published
VTUVIA SF20H 672 Wh 70 mi assist / 40 mi throttle both figures published
Addmotor FoldTan M-160 960 Wh 100 mi PAS 1
Eunorau META20 720 Wh up to 100 mi requires the second battery
Addmotor CityTri E-310 960 Wh 90 mi PAS 1
Eunorau NEW-TRIKE 2.0 960 Wh 60–100 mi range given

Three of these bikes carry the same 960 Wh and quote 90, 100 and 60 to 100 miles. The batteries are the same size; the claims differ because each maker states its figure under different conditions.

A planning rule, from the three independent range tests our 750W guide works through: at full assist those bikes used 17.7 to 29.9 watt-hours per mile.

So divide a folder's pack by 20 for pavement ridden hard and by 30 for a fat tire at full power. A 720 Wh pack is a real 24 to 36 miles at full assist, not 100, and a 960 Wh pack 32 to 48. Cold weather, hills, higher assist and a heavier load all push it the wrong way, so buy the watt-hours and read the mile figure as a ceiling under ideal conditions.

Two practical points that matter more than the headline number:

  • A removable battery changes where you can live with the bike. If you are storing a folded bike in an apartment and charging in another room, or leaving the bike in a cold garage and bringing the battery indoors, removable is the feature you are actually buying. Samebike lists a removable pack on the RS-A02 Pro, and Eunorau offers a second battery for the META20.
  • A second battery is how a folder doubles its range, and it adds weight. The META20's 100-mile figure is a two-battery figure, and the weight of that second pack is weight you carry and lift.

For the underlying physics, read our motor guide and our fat tire comparison.

Where to buy a folding electric bike

Every pick on this page was purchasable from us on September 28, 2026: we opened each one's cart link to checkout rather than reading a stock flag, and checked that the color its button adds was in stock at the maker the same day.

Buying it from us. Every pick is priced the same as its maker's own US store for the variant its button adds, read on September 28, 2026 (Addmotor's on October 3, 2026, the NEW-TRIKE 2.0's on October 18, 2026), except the two Samebikes, priced at Samebike's own checkout price with its codes BF80 and N60 on October 30, 2026. It ships free in the lower 48, Shop Pay Installments are offered at checkout, support and warranty run through us in the US, and if a bike arrives damaged we file the carrier claim.

If you would rather see and lift one first, which is reasonable for a purchase decided by weight and size, our guide to where to buy an e-bike covers the trade between local shops and online, and our shop directory covers physical stores across California, Texas, Florida, Arizona, North Carolina and Washington.

At a shop, fold it yourself before you buy it, rather than watching someone else fold it. Then lift it and carry it ten steps: that tells you whether you will fold it every day.

Takeaway

Every pick here opened to checkout on September 28, 2026, and stock moves fast, so check the cart link before you plan around a bike.

How much does a folding e-bike cost?

On our shelf, a buyable folding e-bike runs $519 to $2,899, and the picks in this guide run $519 to $1,999.

The interesting thing is what the money doesn't buy. It does not buy a smaller folded box: the $519 Samebike CY20 Pro Spoked folds smaller than the $939 RS-A02 Pro and the $1,529 Eunorau META20, and the smallest box of all belongs to a $1,599 bike.

Across the ten two-wheel folders whose maker prints a folded size, price explains about 1% of the difference in folded volume (a correlation of 0.10); trikes are bigger and dearer at once, which is a separate story.

What the money does buy is both certifications in writing: the two folders whose specifications name UL 2849 and UL 2271 together are the VTUVIA SF20H at $1,299 and the Addmotor CityTri E-310 at $1,599. At $519, the CY20 Pro Spoked's photographs carry a TÜV SÜD mark for UL 2849.

The prices are ours on September 28, 2026 (Addmotor's on October 4, 2026, the NEW-TRIKE 2.0's on October 18, 2026, the two Samebikes' on October 19, 2026), and each pick's matches its maker's own US price for the variant its button adds, at Samebike's checkout for the two Samebikes.

How much do folding e-bikes weigh?

Ask an AI engine how much a folding e-bike weighs and, when we asked on August 30, 2026, it answered 30 to 70 pounds, with "lightweight" folders at 35 to 50 lb.

On our shelf, the 20 folding models whose maker publishes a weight run from 60 lb to 126 lb. Not one is under 60 lb. The lighter bikes the engine named are not on this shelf; its own answer to "what is the lightest folding ebike" said the lightest "tend to use carbon fiber frames and weigh between 28-34 pounds".

One owner in an Electric Bike Review forum thread put it plainly: "folding them isn't the most pleasant experience...heavy and cumbersome", and "My XP 3.0 is a heavy beast to lift into the back of my truck."

If you are buying a folder because you will lift it, buy on a published weight, and lift the bike before you buy it if you can.

Takeaway

On our shelf the published weights run 60 lb to 126 lb, and nothing publishes less. If you will lift the bike, plan on 60 lb at the least.

Are folding electric bikes any good?

They are good at one thing, and you should buy one only if that thing is your actual problem.

What you get: a bike that fits where a bike doesn't. If you live in an apartment, drive to a trailhead, or ride a train for part of your journey, that is a large benefit.

What you pay for it: a hinge in the main frame, smaller wheels that meet potholes more sharply, and published weights of 60 lb and up on this shelf. An AI engine told us folders have "fewer moving parts than regular bikes"; a folding bike is a bicycle plus a frame hinge, a folding stem and a latch, so it has more.

The honest test: if you would not fold it, do not buy one. A folding e-bike that lives unfolded in a garage carries a hinge, a latch and small wheels you are not using, and we would rather sell you the right bike from our full range. If you're not sure which that is, our electric bike buying guide and our frame types guide are the better places to start.

Are folding electric bikes safe?

The frame hinge is the question everyone asks, and it is a reasonable one. We can tell you what is published and what is not.

On certification: in their specification text, two of the 23 folders we examined name UL 2849 for the complete e-bike and six name UL 2271 for the battery; among the picks, the VTUVIA SF20H and Addmotor CityTri E-310 name both, and the VTUVIA SX20 a UL 2271 battery.

Samebike's product photographs of both CY20 Pro versions carry a TÜV SÜD mark reading UL 2849. UL 2849 covers the electrical system of the bicycle and UL 2271 the battery, and both are worth having.

On recalls and warnings: we queried the CPSC recall database for all four brands recommended here on September 28, 2026, on four validated query routes, and found no recall naming any of them, and the CPSC's product-safety warning listing, 373 rows read the same day, names none of them either.

In 2026 the Commission issued two stop-use warnings on Ridstar's Q20 family, neither a recall; the section on the folders we could not include quotes both. Check the database yourself before buying.

On the hinge itself: when we asked an AI engine whether folding e-bikes are safe, the answer said the hinge question is settled ("you won't find the bike folding up while you're riding") and cited eight sources, seven of them retailers or content sites and one a European patent filing. It cited no CPSC page and no UL Solutions page, and the only standard it named was "CE-certified", a European marking, not a US certification.

Check the latch before every ride, and treat a hinge that develops play as a stop-riding fault rather than a maintenance item.

What does the law say about a folding e-bike?

The frame has nothing to do with it. What matters is the motor and the speed.

Federal law defines the category in 15 U.S.C. § 2085(b):

For the purpose of this section, the term "low-speed electric bicycle" means a two- or three-wheeled vehicle with fully operable pedals and an electric motor of less than 750 watts (1 h.p.), whose maximum speed on a paved level surface, when powered solely by such a motor while ridden by an operator who weighs 170 pounds, is less than 20 mph.

What that sentence does to a bike rated at 750 W, state by state, is the legality section of our 750W e-bike rider grid.

Read the wording carefully, because most of the shelf sits outside it. All 23 folding models on our shelf publish a rated motor wattage, and three publish a figure above 750 W. Fourteen publish 750 W, a fifteenth offers 750 W as an option, and the statute says "less than 750 watts". Read literally, 750 W sits outside it, and this page treats the point as unsettled.

Among the picks in this guide, the Samebike RS-A02 Pro publishes 1000 W rated, above the federal line. Four sit right on 750 W: the SX20, the SF20H, the FoldTan M-160 and the CityTri E-310. Three are under it.

The test has two prongs, less than 750 watts and less than 20 mph on motor alone, and this page counts only the wattage prong, because that is the figure makers publish. The statute also does not say whether it means a rated, nominal or peak figure; every count above is of published rated wattage.

Outside it, a bike is not a "low-speed electric bicycle" for the CPSC's purposes.

That federal definition governs how the product is regulated as a consumer product. Where you may ride is set by your state, and the three-class system most states use is a separate matter. Our electric bike laws hub covers the national picture, and we maintain state pages for California, Texas, Florida, New York, Illinois and others. Read yours before you buy a bike whose maker advertises 1,500 W.

What the AI answers are getting wrong

We asked an AI search engine eleven questions from our demand harvest on August 30, 2026 and saved the answers.

Not one of the eleven answers cited a government agency or a standards body: no CPSC, no UL Solutions, no Code of Federal Regulations, no state code. The sources they did cite were makers' blogs, retailers, review sites, forums and encyclopedias.

Two specific gaps, measured:

  1. The engines answer "smallest" and "most portable" with weight and wheel size, almost never with a folded dimension. Across eleven answers, one folded measurement appeared for any bike. A question about fitting a space got answered without a size.
  2. The weight range they report doesn't describe the shelf you'll meet. Covered above: 30–70 lb claimed, 60–126 lb measured here.

You will probably ask an engine about this purchase too; check what its answer cites before you trust a size or a weight in it.

The honest ledger

Green flags on this shelf

  • Samebike publishes folded and unfolded sizes on four models, which lets you verify the fold rather than trust it.
  • The VTUVIA SF20H and the Addmotor CityTri E-310 name both UL 2849 and UL 2271 in their specifications, and Samebike marks its CY20 Pro photographs UL 2849.
  • Eunorau answers the storage question in the buyer's own words in its META20 FAQ, and Addmotor's staff answer buyers' folded-size questions on the product page.
  • No CPSC recall and no CPSC warning names any of the four recommended brands as of September 28, 2026, on validated queries.

Who these bikes are wrong for, and what to read instead

  • A rider who carries the bike up stairs every day: nothing here publishes a weight under 60 lb, so read the third-floor answer above; the SF20H's 60 lb is the lightest on any product page we read.
  • A rider who needs a closet to swallow the bike whole: the FoldTan M-160, the SX20 and both CY20 Pro versions are the four that fold under 13 cubic feet on their product pages, and three of them are picks.
  • A rider used to 26-inch wheels: every two-wheel pick here rides on 20-inch wheels, so read the wheel-size section on what that changes over potholes.
  • A rider who wants three wheels and a small box: every folding trike whose maker prints a box folds bigger than every two-wheel pick here, so measure against the CityTri's published trims.
  • A buyer counting on the federal e-bike definition: the RS-A02 Pro publishes 1000 W rated, above it, and four more picks sit at 750 W; read the law section first.

What changed in folding e-bikes for 2026

Four things stand out in the manufacturer records we read on September 28, 2026, and each changes what you should check before buying.

Look past the page text for the folded size. Six of the 23 models give their folded dimension in a specification table the page loads separately, and one in its maker's blog, so open the specifications before you rule a bike out.

Both certifications in writing start at $1,299. The SF20H and the CityTri E-310 name UL 2849 and UL 2271 in their specifications, and Samebike's $519 CY20 Pro photographs carry a TÜV SÜD mark for UL 2849.

The weight comes with the category. Published weights on this shelf run 60 lb to 126 lb, with nothing under 60 lb, against the 35-to-50 lb an AI engine gave us for a "lightweight" folder.

A headline range figure can require a second battery. The Eunorau META20's 100 miles needs the optional second pack. To handle a folder before you buy, start with our e-bike store directory.

Where every figure on this page came from

Every source is graded so you can weigh it. A T1 source is primary law or a government record. A T2 source is a manufacturer's own published record for its own product, the primary source for a spec and the only source we accept for one.

A T3 source is our own first-party measurement or a community thread read in full. A T4 source is an independent reviewer's test, used for a tested figure and never for a load-bearing claim alone. No T5 source is cited anywhere on this page: no competitor retailer, no aggregator, no AI summary.

Source Tier What it supports here Accessed
15 U.S.C. § 2085, U.S. Government Publishing Office T1 The federal definition of a low-speed electric bicycle, quoted verbatim 28 Sep 2026
CPSC Recalls database and its recall web service T1 The recall check on all four recommended brands, on four routes each validated against a positive and a negative control 28 Sep 2026
CPSC product-safety warning listing T1 The warnings check on the four recommended brands, 373 rows, with Ridstar's two 2026 warnings as the positive control 28 Sep 2026
CPSC stop-use warnings 26-337 and 26-584 on the Ridstar Q20 family T1 The two warnings quoted where this guide says why it recommends no Ridstar; a warning, not a recall 11 Sep 2026
Samebike product pages (CY20 Pro, CY20 Pro Spoked, RS-A02 Pro, RS-A02 Plus, LO26 Plus) T2 Folded and unfolded sizes, weights, battery, motor, suspension and brakes on two picks 28 Sep 2026
VTUVIA product pages (SX20, SF20H) and five VTUVIA blog posts T2 Folded sizes, weights, UL marks, brakes, tires and range on two picks, and the blog's second figures 28 Sep 2026
Eunorau product pages (META20, NEW-TRIKE 2.0) T2 Weight, payload, class, UL, and the folded size published in the maker's own FAQ 28 Sep 2026
Addmotor product pages and spec layers (FoldTan M-160, CityTri E-310, CityTan, Kunlun, SpyTan 2, TriKetan M-330F) and two Addmotor blog posts T2 Folded sizes, weights, payloads and UL marks for ten models, and both figures wherever Addmotor gives two 28 Sep 2026
Our own folded-size disclosure census: 23 models, five makers, four disclosure states, every "none" read on the product page, its record, its spec layer where there is one, and the maker's blog T3 The 18-of-23, 11-on-the-page, 6-in-a-separate-layer, 1-blog-only and 5-none counts 28 Sep 2026
Our own folded-volume ladder: every published folded dimension normalized to inches and cubic feet T3 The 11.67-to-46.88 cu ft range, the 4.0× spread, the linear-inch column, the compression ratios and the price-to-volume correlation 28 Sep 2026
Our own full-set spec table and pick checks: the 23 models' weights, loads, UL marks, rated motors and prices, and each pick's price against the maker, its stock at the maker and its cart link T3 Every superlative and count on this page, re-derived from this file 28 Sep 2026
Our own AI-search panel: 11 harvested questions, raw answers and full source lists saved verbatim T3 The 0-of-11 citation baseline, the absence of any government or standards source, and the weight-expectation gap 30 Aug 2026
Google Search Console, sc-domain:redtailebikes.com T3 99 folding-intent queries, 323 impressions, 1 click, mean position 65.8 over 480 days 30 Aug 2026
Google Trends, geo=US T3 Relative popularity of nine folding phrasings, used to choose the phrasing this page targets. Trends reports relative interest, never volume 30 Aug 2026
Electric Bike Review forum threads (1, 2, 3) T3 Owner accounts of folding and lifting, and buyer requirements, quoted verbatim 30 Aug 2026
Electrified Reviews and BikeRide T4 The tester remarks quoted on the SX20 and SF20H cards 27 Sep 2026

Limitations

  1. No search-volume figure appears anywhere on this page. None was measured for this topic, and nothing here was written from memory to fill that gap. The keyword this page targets was chosen on Google Trends US instead, which measures relative popularity rather than volume.
  2. Our folded-size figures are the makers' figures. Where a maker publishes two, both are printed above, with the page or post each came from.
  3. A folded bounding box is not packed volume. It over-states occupied space for every bike equally, so it is a fair comparator and a poor absolute.
  4. One listing could not be checked. The Eunorau E-FAT-MN is on our shelf at $1,099, but its address on eunorau-ebike.com now redirects to the maker's folding collection and the model is absent from the maker's 100-product catalog, read September 28, 2026. It is excluded from every count here rather than counted as a maker that discloses nothing.
  5. Two folders are in the census but placed in no area. Addmotor's Kunlun ($2,599) is listed with its weight (68 lb), rider range and folded size; the areas here are decided on tire, brake and battery figures, and those rows are not on its page, so it is not placed. Samebike's LO26 Plus ($949) is left out because the fat-tire area already carries a Samebike and its product page gives no folded size.
  6. Purchasability is a snapshot of September 28, 2026 and will change. The table of folders we could not include will be wrong before long.
  7. We could not read every community source. On August 30, 2026 Reddit blocked us on three routes, one of which returned a normal-looking page that was actually a login wall, and bikeforums.net blocked us on two. Four buyer threads were read in full, and the three quoted here are listed in the sources. The community layer is thin, and we would rather say so than imply a wider sweep.
  8. The AI panel is a floor rather than a full measurement. Google AI Overviews, ChatGPT and Perplexity are not reachable from our tooling; we ran a documented fallback on August 30, 2026 and labelled it as one. Nothing above should be read as those three engines' behavior.
  9. Not every paragraph on this page carries a citation, and that is deliberate. Every figure, spec and superlative traces to a linked source or to one of our own datasets, all named in the register above and committed with this page. The paragraphs without links are guidance: how to measure your trunk, what order to fold in, who should buy what. Attaching a source to those would be decoration rather than evidence.
  10. The UL counts are of the specification text. Certification marks inside photographs were read on each model's lead images only: Samebike's CY20 Pro photographs carry a TÜV SÜD mark reading UL 2849, and two Addmotor lead photographs carry a general UL mark.
  11. Three trikes sit outside the weight range. No weight for the DWMEIGI MG2301 and MG2302 or the Eunorau NEW-TRIKE 2.0 was found on the pages, records or blogs we read, so they are left out of the 20-model weight figures.

When this page expires. Four named events age it, and any one of them means the figures here need re-reading before you rely on them: a restock or withdrawal on our storefront invalidates the purchasability table and every stock claim, and a manufacturer revising a spec page invalidates that bike's folded size, weight or payload figure.

A new CPSC recall or warning naming Samebike, VTUVIA, Addmotor or Eunorau invalidates the recall and warning statements above, and a measured search-volume figure for this topic would close the gap in limitation 1. We re-check this page when any of those happen, and the verified date at the top moves when we do.

How we verified this

Every spec that decides a recommendation on this page was read from the manufacturer's own published record, retrieved on September 28, 2026 and saved. Our own product listings were treated as the thing being checked rather than as the source.

Twenty-four manufacturer product addresses were requested and twenty-three answered with the product. Where a maker serves its spec table separately from its page, we went to that source too, and each maker's blog was read for a second figure. Where a maker publishes nothing, the cell reads "not published" and the model is excluded from that spec's denominator; an undisclosed spec is never filled in with an estimate.

Purchasability, price and the checkout link were verified per pick on the same day: each button's variant costs what the maker's own US store charges, is in stock there, and opens to checkout. Every superlative on this page was checked against the full 23-model set.

Demand for this page was measured rather than assumed: 2,816 harvest rows carrying 2,618 distinct phrasings, across five independent sources, including 99 real queries that reached our own site over 480 days. Every question heading below maps to a question in that harvest.

The four datasets behind this page

The numbers that are ours rather than a manufacturer's come from four files we built for this guide and committed with it. They are first-party data rather than citations, and they are named here so you can ask for them:

  1. The folded-size disclosure census: 23 folding models from the brands our guides recommend, four disclosure states, every "none" verdict read on the product page, its record, its specification layer where there is one, and the maker's blog. This produces the 18-of-23, the 11 on the page, the 6 in a separate layer, the 1 blog-only and the 5 that publish none.
  2. The folded-volume ladder: every published folded dimension normalized from millimeters, centimeters and inches to one comparable number, with the maker's own source sentence carried beside each row. This produces the 11.67-to-46.88 cubic foot range, the 4.0× spread, the linear inches column, the compression ratios and the price-to-volume correlation.
  3. The full-set spec table: the same 23 models with weight, load, UL marks, rated motor, price here and at the maker, and whether a cart can be opened, read on September 28, 2026, beside the per-pick checks of price, stock and checkout.
  4. The AI-search panel: 11 harvested questions run on an AI search engine on August 30, 2026, with the raw answers and full source lists saved verbatim. This produces the zero-of-eleven citation baseline.

Neutrality: we sell every bike recommended here. We have said plainly where a cheaper pick beats a more expensive one, where a maker gives two figures, and where a bike we would have recommended cannot be bought. Corrections to support@redtailebikes.com.

Frequently asked questions

What is the best folding electric bike?

For most buyers, the Samebike CY20 Pro Spoked at $519. It folds to 12.94 cubic feet, and Samebike publishes both its folded and unfolded size, so you can check the fold, and rates its 624 Wh pack for up to 62 miles in its first assist level.

If your storage is tight, the Addmotor FoldTan M-160 has the smallest box on any product page we read. The trunk and the closet are different boxes, so start with the space, then the lift, then the surface.

How much do folding e-bikes weigh?

On our shelf, 60 lb to 126 lb, across the 20 models whose maker publishes a weight. The 35-to-50 lb an AI engine gives for a lightweight folder describes bikes that are not on this shelf.

Are folding electric bikes any good?

Good at fitting into small spaces, and the fold is what you pay for: a hinge and a latch in the frame, 20-inch wheels on every two-wheel pick here, and published weights of 60 lb and up. If you will fold it, it's a good buy. If it will live unfolded in a garage, buy a rigid bike.

Are folding electric bikes safe?

The hinge is engineered to lock, and we found no CPSC recall or warning naming any of the four brands here on September 28, 2026. The Commission did issue two 2026 stop-use warnings on Ridstar's Q20 family, and we recommend no Ridstar on any guide. The SF20H and the CityTri E-310 name both UL 2849 and UL 2271 in their specifications. Check the latch before every ride.

How much is a folding ebike?

$519 to $2,899 on our shelf; $519 to $1,999 across the picks here. Price does not predict folded size: the cheapest pick folds smaller than three picks costing more.

What is the smallest folding ebike?

Of the folders we sell that print a folded size on the product page, the Addmotor FoldTan M-160 is smallest at 11.67 cubic feet, 34.1" × 20.9" × 28.3". It is also the heaviest bike in its area at 81.6 lb, which is the trade.

What is the lightest folding ebike?

Of the 20 folders we sell whose maker publishes a weight, the VTUVIA SF20H, at 60 lb with its rack and fenders on VTUVIA's product page, is the lightest on any product page we read; a September 11, 2024 VTUVIA post gives it 70 lb with the battery. Next come the Eunorau META20 at 63.4 lb and Samebike's LO26 Plus at 30.5 kg (67 lb).

Are folding electric bikes good for commuting?

Yes, if your commute has a storage problem at one or both ends: a train, a small office, an apartment with no bike room. On a commute you lift the bike at both ends, so weigh the lift before the range; the lightest published weight here is 60 lb.

How do you fold an electric bike?

Most two-wheel folders follow the same outline: switch the bike off, fold the pedals, release the stem clamp and drop the handlebar, then release the main frame latch and bring the halves together. Your bike's manual gives the exact order, and it matters, because folding the frame before the stem can pinch cables in the hinge.

Can you take a folding e-bike on a plane or a train?

Ask the operator before you travel, because each transit agency sets its own folded-bike rules; in Chicago, for example, the CTA allows a folded e-bike on any train at any hour, as our Chicago guide sets out. For a plane, ask the airline about the battery before the box: every pick here carries a pack of 624 Wh or more.

Where can I buy a folding electric bike?

From us, with free shipping in the lower 48 and US support and warranty through us: every pick above links to its product page and a working cart link. If you would rather see one first, our e-bike store directory and our guide to where to buy an e-bike are the places to start.

Do folding e-bikes fit in a car trunk?

Some do. Measure the trunk opening rather than the trunk itself, and compare it with each bike's folded box. The folded boxes makers publish here run from 11.67 to 46.88 cubic feet, so the category name tells you little. The Addmotor FoldTan M-160, the VTUVIA SX20 and the Samebike CY20 Pro Spoked are the three smallest boxes among the picks.

Is a folding e-bike worth it over a regular e-bike?

Only if you will use the fold. You are paying for a frame hinge and a latch, smaller wheels and, on this shelf, weights of 60 lb and up. For the tire side of the trade, read our fat tire vs regular tire guide, and for ride comfort our suspension guide.

Which folding electric bike is best for a heavy rider?

Among the two-wheelers, the highest load on our folding shelf is 150 kg (330 lb), which Samebike publishes for all five of its folders, including the RS-A02 Pro, and 330 lb, which VTUVIA publishes for the SF20H and the SX20. For three-wheel stability at a higher load, the Eunorau NEW-TRIKE 2.0 publishes a 440 lb total payload capacity.

The bottom line

Eight picks, four areas, every price and cart link checked on September 28, 2026, and the two Samebikes' prices again on October 19, 2026. Free shipping in the lower 48, and US support and warranty through us on all of them: start with the folding range, the fat tire range, or the electric trike range if two wheels is the problem.

See the folding range

Buy the folded box, then the lift, then everything else.

If the space is genuinely tight, the Addmotor FoldTan M-160 has the smallest box on any product page we read. If the budget is tight, the Samebike CY20 Pro Spoked at $519 publishes both its folded and unfolded sizes, and its unfolded box is 3.44 times the folded one.

If you ride rough ground and lift the bike, the VTUVIA SF20H at $1,299 carries the lightest weight on any product page we read, with hydraulic brakes and both UL standards named in its specifications.

Ready to order: CY20 Pro Spoked, $519 · SX20, $1,299 · FoldTan M-160, $1,499 · RS-A02 Pro, $939 · SF20H, $1,299 · META20, $1,529 · CityTri E-310, $1,599 · NEW-TRIKE 2.0, $1,699.

And if you cannot find what a bike weighs or how big it folds, ask us before you buy.


Sources

All retrieved September 28, 2026 unless stated.

  1. 15 U.S.C. § 2085 — Low-speed electric bicycles. U.S. Government Publishing Office, United States Code, 2023 Edition. govinfo.gov
  2. U.S. Consumer Product Safety Commission — Recalls database. Queried by brand for all four recommended brands on four routes, each validated with a positive and a negative control. cpsc.gov/Recalls · saferproducts.gov recall API
  3. U.S. Consumer Product Safety Commission — product safety warning listing (373 rows; Ridstar's two 2026 warnings are the positive control). cpsc.gov
  4. Samebike US — CY20 PRO Solid Wheel product page (folded and unfolded size, 36V 13Ah, 468 Wh and 540 Wh in its copy, 31 kg, a TÜV SÜD UL 2849 mark in its photographs). us.samebike.com
  5. Samebike US — CY20 PRO Spoked Wheel product page (folded and unfolded size, 48V 13Ah, 624 Wh, 31 kg, 150 kg payload, a TÜV SÜD UL 2849 mark in its photographs). us.samebike.com
  6. Samebike US — RS-A02 Pro product page (folded and unfolded size, suspension, brakes, 33 kg). us.samebike.com
  7. Samebike US — RS-A02 Plus product page (folded and unfolded size, 1800 W peak, 33 kg). us.samebike.com
  8. Samebike US — LO26 Plus product page (30.5 kg, 1000 W, unfolded size). us.samebike.com
  9. VTUVIA — SX20 product page (folded 35.4" × 20.9" × 28.3" / 90 × 53 × 72 cm, 70 lb with rack and fenders, 20" × 4.0", Class 2, UL 2271 battery). vtuviaebike.com
  10. VTUVIA — SF20H product page (60 lb with rack and fenders, UL 2271 and UL 2849, 330 lb, Logan hydraulic discs, 20 mph as shipped). vtuviaebike.com
  11. VTUVIA — "VTUVIA vs. AVENTON: A Comprehensive Comparison to help you choose the perfect E-bike", August 4, 2024 (SX20 folded 25.2" × 33.5" × 11.5", about 60 lb). vtuviaebike.com
  12. VTUVIA — "Best VTUVIA Fat Tire Electric Bikes for Adults in 2024", September 11, 2024 (SF20H 70 lb with the battery; SX20 folded 25.2" × 33.5" × 11.5"). vtuviaebike.com
  13. VTUVIA — "The Best E-Bikes with Removable Batteries in 2024", September 17, 2024 (SX20 28 mph). vtuviaebike.com
  14. VTUVIA — "How to Choose the Best VTUVIA Electric Bike for Your Needs", March 19, 2025 (SF20H folded 28.7" × 33.8" × 12.2"; SX20 folded 25.2" × 33.5" × 11.5"). vtuviaebike.com
  15. Eunorau — META20 1.0 product page (63.4 lb, 286 lb payload, Class 2, folded size in the maker's FAQ). eunorau-ebike.com
  16. Eunorau — NEW-TRIKE 2.0 product page (440 lb payload, 48 V 20 Ah, Class 2, "UL CERTIFIED Yes", "Foldable: Yes" with a box dimension). eunorau-ebike.com
  17. Addmotor — FoldTan M-160 product page (folded 34.1"L × 20.9"W × 28.3"H, 81.6 lb, 300 lb and 280 lb load figures, 100 mi). addmotor.com
  18. Addmotor — CityTri E-310 product page and spec layer (960 Wh, UL 2271 and UL 2849, 750 W, 88 lb, 280+80 lb, folded sizes for both trims). addmotor.com
  19. Addmotor — "Best Folding Electric Trike for Adults: Addmotor Commuter Comparison", August 30, 2026 (CityTri E-310 Standard 86 lb; folded sizes for both trims). addmotor.com
  20. Addmotor — "The Benefits of Owning a Foldable Electric Trike", July 8, 2024 (CityTri E-310 folded 44.1" × 33.9" × 24.8"). addmotor.com
  21. Addmotor — Kunlun product page (68 lb, 280 lb load, folded size, a 750-watt motor in its copy). addmotor.com
  22. Addmotor — SpyTan 2 product page and spec layer (126 lb and 104 lb, both folded sizes, UL 2271). addmotor.com
  23. Addmotor — TriKetan M-330F product page and spec layer (46" × 33" × 30" and 49.5" × 37" × 34", both without the saddle). addmotor.com
  24. Addmotor — CityTan M-315 product page (electric CityTan at $1,099, folded size 41.3" × 43.3" × 45.3"). addmotor.com
  25. Addmotor — FoldTan M-120 and M-140 product pages (folded sizes in the spec layer; 20" × 4.0" tires). addmotor.com · addmotor.com
  26. Electrified Reviews — VTUVIA SF-20H (2022) (payload and verdict quoted on the SF20H card; the live host no longer resolves, read from the Internet Archive capture). Accessed 27 September 2026. electrifiedreviews.com
  27. BikeRide — VTUVIA SX20 Antelope expert summary, November 2025 (tester remarks quoted on the SX20 card; read from the Internet Archive capture). Accessed 27 September 2026. bikeride.com
  28. Electric Bike Review forums — "Best foldable ebike" (owner accounts of folding and lifting, quoted verbatim). Retrieved 30 August 2026. forums.electricbikereview.com
  29. Electric Bike Review forums — "Help choosing folding ebike please" (buyer requirements, quoted verbatim). Retrieved 30 August 2026. forums.electricbikereview.com
  30. Electric Bike Review forums — "Lightweight, foldable, type 1 ebike?" (multi-modal commuter requirements). Retrieved 30 August 2026. forums.electricbikereview.com
  31. Google Search Console, sc-domain:redtailebikes.com, Search Analytics query export, window 5 May 2025 – 28 August 2026 (99 folding-intent queries, 323 impressions, 1 click, impression-weighted mean position 65.8).
  32. Google Trends, geo=US — trends.google.com, retrieved 30 August 2026 — relative popularity of nine folding phrasings. Trends reports relative interest rather than search volume.
  33. U.S. Consumer Product Safety Commission, stop-use warning 26-337 (Ridstar Q20 and Q20 Pro e-bikes, fire hazard, issued March 19, 2026; a warning, not a recall). Retrieved 11 September 2026. cpsc.gov
  34. U.S. Consumer Product Safety Commission, stop-use warning 26-584 (Ridstar Q20 and Q20 Lite e-bikes, crash hazard, issued June 25, 2026; a warning, not a recall). Retrieved 11 September 2026. cpsc.gov