Specifications:- Overall Dimension(Dia.xW): 22 5/8" x 3 1/4"- Compatible Tire Size: 26" x 4"- Controller Power: 1500W- Motor Voltage: 48V- Motor Rotating Speed: 510 Rpm- Motor Torque: 58.5 Nm- Suitable Brake Type: Disc Brake / V-Brake- Climbing Angle: 12 Degrees- Net Weight: 23.59 Lbs. Package Contents:- 1x Rear Wheel with Brushless Hub Motor (Tire is not included)- 1x Dual Mode Motor Controller- 2x Brake Levers- 1x Handle Grip- 1x Twist Throttle Grip- 1x Controller Bag- 2x Winding Pipes- 10x Cable Ties- 1x Pas Sensor- 1x Lcd Meter- 1x Junction Box- 1x Battery Extension Cable. Notice: - Battery and charger are Not included.- The electric wheel is only applicable to conventional bicycles, not for tricycles, tractors.