Easy to Convert. DIY rear-wheel ebike conversion kit for a bicycle with rear drop out size “135-142mm” flywheel is ≦9 Speeds.
Easily convert your pedal bike into a motorized bike within 1-hour.
Stable Drive System. This Bafang rear-drive motor, which is compatible with the disc brake, has a rated power of 25w, 350w, 500W, providing ideal power for vehicles. Strong and efficient, this motor greatly enhances riding comfort and is suitable for touring bikes, commuter bikes, and mountain bikes.