

Ridstar E-Bike Controller (48V 20Ah)
Every Redtail e-bike includes a free 1-month warranty plus manufacturer coverage. Add the Redtail Care Package for dedicated support from our US-based team — remote diagnostics, manufacturer claim handling & return-shipping coordination — for up to 5 years.
Your selected plan is added automatically when you tap Add to Cart. No Care Package is added by default.
A support & service plan — it does not cover physical repairs or replacement parts. See full Care Package details →

Ridstar E-Bike Controller (48V 20Ah)
The brain of the bike, boxed as a genuine spare. Ridstar's 48V 20Ah-spec controller — the fix when a crash or water ingress takes the original out.
Highlights
- Genuine Ridstar controller, 48V 20Ah spec (Q20 fitment)
- Factory wiring harness connectors
- Restores throttle, PAS, and display functions
- Free US shipping
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.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.
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.



