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The smallest wheel in the range, and the whole reason the bike exists.
Sixteen-inch wheels under a full-size frame. The Q16 is the closest thing Ridstar makes to a minibike.
The Q16 is Ridstar's 16-inch fat bike at $849: 1500W, a 48V 20Ah pack holding 960 watt-hours, hydraulic dual brakes, suspension front and rear and a 330 lb rating. It is out of stock with us today; the Q20 1500W shares the motor and pack at $909.
Out of stock right now. The Q20 1500W is the nearest bike in stock: the same 1500W motor and the same 960 watt-hours, with hydraulic dual brakes and suspension at both ends, on a 20-inch wheel rather than a 16-inch one. See the Q20 1500W.
Free shipping in the lower 48 · Shop Pay instalments at checkout
The Q16 1500W 16-Inch Fat Tire Electric Bike is named in no regulator's notice as of September 11, 2026. It was built by the company that is. Everything below is quoted from the regulators and the courts, and it is on this page because a buyer choosing this bike deserves to know who made it and how that company answered a federal safety agency.
The March 19, 2026 warning covers the "Ridstar Q20 and Q20 Pro e-bikes": "The e-bikes' batteries and wires can ignite, posing a fire hazard to consumers." The Commission "is aware of 11 reports of fire, including one burn injury, five reports of smoke inhalation, and two reports of property damage totaling over $40,000." Its instruction: "remove the battery from the e-bike immediately and dispose of the battery following local hazardous waste disposal procedures. Do not sell or give away these hazardous batteries."
The June 25, 2026 warning covers the "Ridstar Q20 and Q20 Lite e-bikes": "The front wheel can detach without warning, posing a crash hazard to consumers." The Commission "is aware of 32 reports of the front wheel detaching, including 31 reports of injuries such as concussions, broken bones, cuts, scrapes, and bruises." Its instruction: "stop using the e-bikes immediately and dispose of them. Do not sell or give away these hazardous e-bikes."
Neither notice is a recall, and there is no repair, refund or replacement program. The March notice states that "the manufacturer, Huizhou Xingqishi Sporting Goods Co., Ltd., of China, has refused to agree to an acceptable recall"; the June notice states that it "has been unresponsive to CPSC's requests for information about these products or a recall."
Before either US notice, the UK Office for Product Safety and Standards published Product Safety Report 2506-0011 on 19 June 2025 for the "Ridstar E-Bikes Q20-Plus, Q20-Mini, E26 Pro and Chargers", risk level "Serious": "the charger has poor quality soldering, and the transformer does not meet the minimum requirements for creepage and clearance distances." Its corrective measure: "The import has been rejected at the border."
Two product-liability suits over a detached Ridstar front wheel were filed in 2026 and are undecided: Cunanan v. Amazon.com Services LLC (D. Or., filed April 7, 2026) alleges a Ridstar Q20 caused "numerous facial fractures"; L.E. v. Walmart Inc. (Palm Beach County, filed July 30, 2026, removed to S.D. Fla.) alleges a Walmart-bought Ridstar's front wheel "unexpectedly detached during normal operation" and injured a minor. Both are allegations, not findings.
The same company also sells the YVY brand. The full record, the Trustpilot scores, the warranty terms and every model's status are in our Ridstar brand profile, verified September 11, 2026.
A 16-inch wheel drops the whole bike closer to the ground, shortens the wheelbase and makes it flickable in a way no full-size fat bike is. Feet-down at a stop is easy, parking is trivial, and the proportions read as a minibike rather than a bicycle. That is the point of this model, not a compromise in it.
Small wheels reach a given speed with less rotating mass to shed, but a heavy bike is still a heavy bike. Ridstar publishes hydraulics at both ends here, which is the right specification and not one every bike in this range gets.
Suspension matters more as wheels get smaller, because a small wheel drops into holes a large one rolls across. Travel at both ends is what makes a 16-inch wheel usable outside smooth pavement.
Ridstar's 48 volts times its 20 amp-hours, which is the range's workhorse capacity on one of its smallest bikes. Less bike to move and the same energy to move it with.
The Q16 is $849 when it is here, against a $1,099.00 compare-at on our own listing, live 29 August 2026. Today the Q20 1500W runs the same 1500W motor on the same 960 watt-hours for $909, on a 20-inch wheel. Free shipping in the lower 48 either way, and Shop Pay instalments at checkout.
Your Q16 ships free anywhere in the lower 48, with tracking emailed the day it leaves. Nothing is added at checkout: the $849 on this page is the $849 you pay.
Shop Pay instalments are live at our checkout, so you can split the $849 into payments instead of putting it on a card in one go. You pick it at the payment step.
If something covered fails, you send us photos and we take it from there — we file and track the claim, and arrange the part or the replacement. You never deal with the factory, and you never pay to be helped.
Support, warranty handling and returns are all run from here, in your timezone, under US consumer law. One storefront, one set of terms, one company that has to stand behind the sale.
That last one is worth more on this brand than on most. Search “Ridstar” and four storefronts come back, each presenting itself as the official one, at prices that differ by hundreds of dollars for the same machine — and they do not share return terms. Ridstar.net publishes a statement on its own site that reads, in full: “Except ridstar.net, other similar websites are our dealers. We hope that all customers can find the right merchants to make purchases, so that they can get the best, most complete and most timely after-sales service.” Buying the Q16 here removes that question entirely: the terms below are ours, they are the ones that govern your order, and the specifications on this page come from one named listing on ridstar.net/products/ridstar-q16-1500w-fat-tire-electric-bicycle, retrieved 2026-08-26 with the U.S. market forced.
The full working on which Ridstar domain is which — registration dates, contact addresses, the dealer statement and what stays unresolved — is in our Ridstar brand profile. Source: Ridstar Official Statement, retrieved 2026-08-26. Ridstar's own return policy charges 15% processing fee plus $200 return shipping per e-bike on a cancellation after despatch, and ridstar.com, the other storefront, publishes a different set: a 14-day window and a 25% restocking fee. Two storefronts, two return policies, same brand. Those terms govern an order placed with Ridstar. Yours is placed with us.
Free shipping on every electric bike within the contiguous United States (lower 48). Orders are prepared and dispatched within 1–3 business days. Most e-bikes arrive within 5–10 business days after dispatch, depending on location.
Ships via trusted parcel and freight carriers — UPS, FedEx, and LTL freight for larger items — with tracking emailed at dispatch.
Open the box and look it over on the day it lands. Report damage or a wrong item with photos inside 48 hours and it becomes our problem to solve. You send the photos; we handle the rest.
Bikes with power, charging, or component issues are covered under the manufacturer warranty; Redtail coordinates repair or replacement remotely at no cost to the customer.
A one-year limited warranty from Ridstar Bikes, running from the original owner's receipt or purchase date, whichever is later, as verified by Ridstar. Redtail files and tracks the claim for you; you do not deal with the factory.
Change-of-mind returns run on unopened, factory-sealed items requested within 72 hours of delivery, at a 15% restocking fee plus return shipping — against Ridstar's own return policy, which charges 15% processing fee plus $200 return shipping per e-bike direct, and ridstar.com, the other storefront, publishes a different set: a 14-day window and a 25% restocking fee. Two storefronts, two return policies, same brand. Cancellations carry a 3% transaction fee because card processing is non-recoverable. Full terms: Redtail Shipping Policy · Redtail Refund & Return Policy. Alaska, Hawaii, U.S. territories, P.O. boxes, and remote areas may incur extra charges or be excluded — contact us before ordering.
| What | Coverage |
|---|---|
| Hardware and firmware defects | 1 year from the warranty begin date |
| Inbound and outbound shipping on a valid claim | Ridstar's cost, within the warranty period |
| Return shipping where no fault is found | the buyer's cost |
| Out-of-warranty repairs | parts at material cost; no labour charge where Ridstar sold the bike directly |
This Limited Warranty covers any defects in hardware or firmware under regular use during the Warranty Period.
A one-year limited warranty issued by Ridstar Bikes, beginning from the original owner's receipt or purchase date, whichever is later, as verified by Ridstar, as published on its warranty page and retrieved 2026-08-26. One caveat worth knowing: Ridstar's own product listings print a bullet headed "ONE-YEAR WARRANTY" that then states a warranty on the motor, battery and charger — on some models one year, on others two — while its warranty page states one year for the whole bike. Every page states the figure from that model's own listing and says the page disagrees.
The Q16 against the Ridstars we can ship today.
| Spec | Q16 | Q20 | Q50 | MN26 |
|---|---|---|---|---|
| Price | $849 | $909 | $799 | $600 |
| Motor | 1500W | 1500W | 2000W | 1500W |
| Battery | 48V 20Ah | 48V 20Ah | 48V 25Ah | 48V 20Ah |
| Battery energy | 960 Wh — our arithmetic, 48V x 20.0Ah as published | 960 Wh — our arithmetic, 48V x 20.0Ah as published | 1200 Wh — our arithmetic, 48V x 25.0Ah as published | 960 Wh — our arithmetic, 48V x 20.0Ah as published |
| Top speed | 28 mph | 28 mph | 28 mph | 28 mph |
| Range (claimed) | 30 miles | 50 miles | 50 miles | 50 miles |
| Brakes | hydraulic dual brakes | hydraulic dual brakes | hydraulic dual brakes | dual disc brakes |
| Tires | 16" x 4.0" | 20" x 4.0" | 20" x 4.0" | 26" x 4" |
| Maximum load | 330 lb | 330 lb | 330 lb | 330 lb |
| Buy it | — | See the Q20 | See the Q50 | See the MN26 |
Source: each model's own page on ridstar.net, archived 2026-08-26. — = not published by Ridstar for that model.
| Motor | 1500W |
| Battery | 48V 20Ah |
| Battery energy | 960 Wh — our arithmetic, 48V x 20.0Ah as published |
| Top speed | 28 mph |
| Range | 30 miles |
| Charging time | 4-6 hours |
| Tires | 16" x 4.0" |
| Brakes | hydraulic dual brakes |
| Suspension | front and rear suspension |
| Gears | 7-speed |
| Maximum load | 330 lb |
| Bike weight | Not published by Ridstar for this model |
| Rider height | Not published by Ridstar for this model |
Specifications as published by Ridstar at ridstar.net/products/ridstar-q16-1500w-fat-tire-electric-bicycle, archived 2026-08-26 — read out of the copy on that page — Ridstar publishes no specification table for this model, so every figure above traces to a sentence in its own description, and the sentence behind each one is on file. Watt-hour totals are our arithmetic from Ridstar's own volts and amp-hours and are marked as such. These are the manufacturer's ratings, not our test results.
Where Ridstar's own material prints more than one figure, the row above carries the value this page uses and the alternate is recorded here: Ridstar also prints 1200W for this bike in a separate line, with no continuous-versus-peak split; Ridstar also prints 50 miles for the range; the table carries the lower published figure; Ridstar prints “hydraulic dual brakes”, “disc brakes” and “disc brake” across its copy; Ridstar prints “full suspension”, “front suspension fork” and “front and rear suspension” for this model.
Manufacturer pages carry marketing, and marketing sometimes disagrees with the marketing an inch below it. Every place Ridstar's own material disagrees with itself for this model, every figure it leaves out, and which value this page uses:
We pulled Ridstar's entire live catalog on 2026-08-26 — all 93 published listings — and worked out what is actually on the shelf: 26 bike listings, 11 scooters and 41 accessories. Among the bikes we found 4 pairs of listings that are the same machine listed twice, counted only where the descriptions are byte-identical or the two listings share most of the same image files. The widest gap is the Q30 Pro 4000W, which appears at $899.00 and $1269.00 on the same storefront. That is why the price on this page is matched to a named listing rather than to “the manufacturer”.
Redtail original analysis, counted from Ridstar's public storefront feed and collection endpoints on 2026-08-26; every price cross-checked against a second, independently fetched endpoint. Method: Two listings are called the same bike only where their description text is byte-identical after markup is stripped, or they share 60% or more of the same image FILES. Shared boilerplate paragraphs alone were not enough — an earlier pass that keyed on the first 400 characters produced four false pairs and was discarded.
The Q16 is a compact 16-inch fat bike for short trips, tracks and private land, published at 1500W.
Ridstar publishes the motor as 1500W and the top speed as 28 mph. Federal law defines the low-speed electric bicycle category this way:
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.
15 U.S.C. § 2085(b) (Pub. L. 107–319, § 1, Dec. 4, 2002, 116 Stat. 2776), carried into 16 C.F.R. § 1512.2(a)(2). Retrieved 2026-08-26 from the U.S. Government Publishing Office and confirmed word for word against Cornell's Legal Information Institute.
Set those two published numbers against that threshold and this bike sits outside the federal low-speed electric bicycle definition. What that means where you live is decided by your state: some apply moped, motor-driven cycle or off-highway vehicle rules above the federal line, and those can reach registration, insurance, licensing, helmets and which paths and trails are open to you. Some states set their own wattage ceiling instead. Check yours before you ride on any public road, bike path or trail.
Start here: our state-by-state e-bike law guide. Current as of 2026-08-26; state law changes, so re-check yours before relying on it.
Four things buyers ask before ordering this one, and what each actually means for the ride you are planning.
A small wheel drops into ruts and holes that a 26-inch wheel rolls over, and no suspension setup fully compensates for wheel diameter.
So buy it for what it is good at: short trips, tight spaces, smooth-to-moderate surfaces, and a low stance that suits riders who want their feet down easily. If your riding is rough or long, the Q20 1500W on a 20-inch wheel or the MN26 on a 26-inch one are the honest answers, and both are in stock.
Both figures appear in its copy for the Q16, with no continuous-versus-peak split to explain the gap. The table here carries 1500W, the figure the model is titled under.
Neither figure changes the hardware: one hub motor, a 48V 20Ah pack, hydraulics at both ends. Where the rating matters is which rules apply where you ride, and our state-by-state e-bike law guide carries the table. For a single published figure on the same pack, the Q20 1500W states 1500W throughout and is in stock.
Ridstar publishes no rider-height band and no bike weight for the Q16, on the model in the range where geometry is least forgiving for a long leg.
The 330 lb load rating is published, and the 16-inch wheel means a low standover by construction. If you are tall and unsure, tell us your inseam before you order and we will measure a unit rather than guess, or point you at a frame that fits.
Not today; the Q16 is out of stock on our store. This page stays up so its specification and sources remain available while it is away.
Ask and we will tell you when it returns. If the small wheel is not the point and the motor and pack are, the Q20 1500W carries both today with a bigger wheel under them.
The published number is 28 mph on throttle. Ridstar states no test conditions with it, and it exceeds the 20 mph federal low-speed line.
Ridstar prints both on the same page. The table here carries 1500W, the figure the model is titled under, and the 1200W line is recorded beneath it. No continuous-versus-peak split is published.
Two figures appear, 30 miles and 50; this page uses the lower one. That pack is 960 watt-hours: 48 volts multiplied by 20 amp-hours.
Your state decides. Federal law defines a low-speed electric bicycle as having a motor under 750 watts and a motor-only top speed under 20 mph; Ridstar publishes 1500W and 28 mph here, outside that definition. The statute is quoted in full above.
Yes, hydraulic dual brakes, published by Ridstar, together with suspension front and rear.
Ridstar publishes no recommended rider height for this model. The 16-inch wheel gives a low standover by construction; if you are tall and unsure, send us your inseam before ordering and we will measure a unit.
It is specified with 16x4.0 fat tires and suspension at both ends, which suits smooth-to-moderate off-pavement surfaces. On rough ground a bigger wheel does better, and where you may ride is set by your state and the trail's own rules.
The Q16 is out of stock today. The Q20 1500W matches the motor and the pack, adds a bigger wheel, and ships today at $909.
Free shipping in the lower 48 · Shop Pay instalments · US warranty, filed by us
Every Ridstar at Redtail · Compare the Q20 · Compare the Q50 · Compare the MN26 · Our Ridstar brand profile · E-bike laws in your state · Shop electric bikes by type
Specifications and prices are Ridstar's own, reproduced as published from the archived copy of its product page, with contradictions in its material flagged rather than resolved silently. The federal definition is quoted from the statute itself and was retrieved twice, independently, from the U.S. Government Publishing Office and Cornell's Legal Information Institute. Warranty terms are Ridstar's; shipping and return terms on this page are Redtail's. Manufacturer sources are cited by name and address rather than linked, because every link on this page should keep you here. Any source above can be sent to you on request at the corrections address below.
How we verified this page. Every specification above was read from an archived copy of Ridstar's own product page (ridstar.net/products/ridstar-q16-1500w-fat-tire-electric-bicycle), retrieved 2026-08-26 with the U.S. market forced and the currency confirmed as USD, with the price cross-checked the same day against a second, independently fetched endpoint on that site. Figures are the manufacturer's ratings, not our test results; where Ridstar's material disagrees with itself, or leaves a specification out, the “How to read this spec sheet” section names it and says which value this page uses. The federal definition is quoted from the statute and was retrieved from two independent publishers. We publish no rating or review score for this bike because we hold no first-party reviews of it. Live purchasability and price on this page were read from our own storefront on 2026-08-29. Corrections: support@redtailebikes.com.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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