Ridstar E-Bike Controller
Quick answer

A genuine Ridstar controller at $83.95. The important thing about this part is that there is no such thing as "the" Ridstar controller: Ridstar publishes eighteen different US fitments on one listing, from the Q20 Lite to the Q30 Pro, and they are not interchangeable. Tell us your exact model before you order and we will match it.

What Ridstar says this fits

Ridstar sells this part from a single listing with 63 variants, 18 of them for the US market. Each US variant names one model. These are the 18 it names — read off its own variant list, not off ours:

Model Listed by Ridstar for this part
Q20 Lite Yes — named as a US variant on its own listing
Q20 Yes — named as a US variant on its own listing
Q20 PRO Yes — named as a US variant on its own listing
H20 Yes — named as a US variant on its own listing
H20PRO Yes — named as a US variant on its own listing
DC26 Yes — named as a US variant on its own listing
FM001 Yes — named as a US variant on its own listing
MN-20 Yes — named as a US variant on its own listing
E26 Pro Yes — named as a US variant on its own listing
MN26 Yes — named as a US variant on its own listing
H26 Pro Yes — named as a US variant on its own listing
Q16 Yes — named as a US variant on its own listing
Q30 Yes — named as a US variant on its own listing
Q30 Lite Yes — named as a US variant on its own listing
Q30Luxe Lite Yes — named as a US variant on its own listing
Q30 Pro Yes — named as a US variant on its own listing
CR20 Yes — named as a US variant on its own listing
E26 Yes — named as a US variant on its own listing

Source: Ridstar’s own product listing at ridstar.net/products/ridstar-controller, archived 2026-08-26. A model that is not on this list is not a model Ridstar publishes this part for, and we are not going to add one.

What we could not confirm

  • Amperage, voltage rating, connector type and firmware version. Ridstar publishes none of these for any of its eighteen controller variants, which is why this page cannot tell you which one you need from a specification alone.
  • Whether a controller listed for one model will run another. Ridstar sells them as eighteen separate variants, which is the strongest available signal that they are not interchangeable, but it does not publish the differences.
  • Our earlier description said "48V 20Ah spec (Q20 fitment)". A controller is not rated in amp-hours — that is a battery unit — and the Q20 is one of eighteen fitments rather than the fitment. Both have been removed.

Before you order

Tell us your model

We need your exact model — not "a Q20" but which Q20 — because Ridstar lists the Q20, Q20 Lite and Q20 Pro as three different controllers. Ridstar's own listing also warns against wiring a controller yourself unless you are qualified.

What you get

One controller. One genuine Ridstar controller matched to the model you tell us. Ridstar publishes no part number, so the model name is the only key either of us has.

Fitting it

Ridstar's own listing says it plainly: do not handle controller wiring privately, and go to a repair shop or its after-sales service if you are not a professional. We would say the same.

Warranty, shipping & returns

Warranty

Ridstar’s limited warranty runs one year from the original purchase and covers hardware and firmware defects. Its own warranty page states that “gear and accessories” sit outside that cover, so treat a spare part as covered by the fault-on-arrival terms below rather than by a year of warranty.

Shipping

Free shipping on every electric bike within the contiguous United States (lower 48). Orders are prepared and dispatched within 1–3 business days. Parts may ship separately from a bike on the same order.

If it arrives wrong

Inspect your shipment at delivery. Damage, defects, or incorrect items must be reported with photos within 48 hours; claims submitted after this window are not accepted.

Full terms: Redtail Shipping Policy · Redtail Refund & Return Policy. Ridstar publishes its own terms for orders placed directly with Ridstar — 15% processing fee plus $200 return shipping per e-bike on a cancellation after despatch, up to 15% restocking fee, withheld from the refund — and those do not govern an order placed here.

Frequently asked questions

Which Ridstar controller do I need?

The one for your exact model. Ridstar publishes eighteen different US controller fitments on a single listing — CR20, DC26, E26, E26 Pro, FM001, H20, H20 Pro, H26 Pro, MN-20, MN26, Q16, Q20, Q20 Lite, Q20 Pro, Q30, Q30 Lite, Q30 Pro and Q30 Luxe Lite. Tell us which bike you have and we will match it.

How much is a Ridstar controller?

$83.95 here as of 26 August 2026, against $89.00 on Ridstar's own US listing.

Can I fit a Ridstar controller myself?

Ridstar's own listing advises against it unless you are qualified: "Do not handle the wiring of the controller privately. If you are not a professional, it is recommended that you go to a repair shop or contact our after-sales service." That is the manufacturer's guidance and we are passing it on as written.

Will a controller from one Ridstar model fit another?

Ridstar does not publish the specification that would answer that, and it sells eighteen separate variants rather than one universal part. We are not going to tell you they interchange when the manufacturer's own merchandising says they are different parts.

Keep looking

Every Ridstar at Redtail  ·  Our Ridstar brand profile  ·  Shop electric bikes by type

Primary sources

  1. Ridstar product listing: Ridstar Controller ridstar.net/products/ridstar-controller. Retrieved 2026-08-26.
  2. Ridstar Ebike Warranty ridstar.net/pages/ebike-warranty. Retrieved 2026-08-26.
  3. Redtail Shipping Policy. Retrieved 2026-08-26.
  4. Redtail Refund & Return Policy. Retrieved 2026-08-26.

How we verified this page. The fitment list above was read from Ridstar’s own product listing on 2026-08-26 — specifically from the variant titles on that listing, which is where Ridstar encodes which model each part is for. We publish no specification Ridstar does not publish, and the “what we could not confirm” section above is the complete list of what we could not stand behind. Ridstar publishes no dimensions, materials or part numbers for its spare parts. Questions before you order: support@redtailebikes.com.

Fast U.S. Shipping

Exceptional Service

At Redtail eBikes, we go beyond just selling ebikes. We're dedicated to offering the best customer service and support to ensure you're fully satisfied. Your happiness is our priority, and we're here to make your experience as smooth as your ride.