... ''--28''(700C) wheel 3)Packaging detail:carton front wheel motor 500W The kit includes motor,controller,lithium battery,motorized wheel,speed throttle,disc brake ... ,speeedometer,senor E-bike conversion kit -- Front(Disc brake available) or Rear kit Motor350W--1000W brushless hub motorBattery48V 10AH Lithium batteryCharger110V-240V ...