36Volts 26”. 27.5”. 700cc/29” (Front wheel) A double-wall aluminum rim with spokes assembled 36v 250w brushless geared motor (front,open size 100mm) 15A integrated controller built-in battery A pair of electric brake levers Thumb throttle 8 point magnet intelligent pedal sensor LCD3 display 1T4 waterproof cable User installation manual Torque arm