1 Battery(if you choose 48v 18ah or 48v 25ah battery). 48V 25AH Battery. Nominal Capacity: 25Ah. 48V 18AH Battery. Fit Motor Power : 48V 25OW-15OOW. 1 8 Magnet Pedal Assistant Sensor. Fit for: 48V 1OOOW motor wheel，SW900 Display.

Wheel Size: 26 inch
Dropout Options: Rear Wheel
Power Options: 48V 1OOOW
Battery Options: No Battery
Brand: Unbranded
Part Type: Rear Wheel