250~1500w brushless motor, max speed 45km/h, can be fit with lead acid ... the following parts.1, 1set of front wheel brushless gearless motor with the mounted rim and spoke and ... tyre/tubeMotor power: 250W~1500W brushless gearless motorWheel size: 20",24”,26"/700c, 28" ... available with disc brake and six speed2, 1pcs Motor controller: 1:1 pedal assist3, 1pcs twist hand throttle4, 1sets ...