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

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.