Road Electric Bicycle 36V 48V 250W 350W 500W Rear Card Hub Motor Conversion Kit

  

Gear Rear Cassette Ebike Motor Conversion Kit with KT Controller Display Throttle Ebrake PAS Use for Electric Scooter Bicycle. 250W 350W 500W Rear Cassette Motor and 20/24/26/27.5/28/29inch 700c Wheel.