36V250W 28" Cassette Rear Hub Motor Conversion Kit 26''27.5''700C W/L*G battery

Freehub Body : Cassette. 1 pcs 36V 250W Rear Wheel hub motor. The suitable riding mode can be switched as needed. It can reduce fatigue and ride more comfortably. m max torque. Mounting Position : Rear Drive.

eBay