... :carton front wheel motor 500W The kit includes motor,controller,lithium battery,motorized wheel,speed throttle,disc brake,speeedometer,senor E ... brake available) or Rear kit Motor350W--1000W brushless hub motorBattery48V 10AH Lithium batteryCharger110V-240V ACSpeed0-50kmWheel typeFront/RearWheel size20'',22'',24'',26 ...