... )24V--48V;200W--1000W 2)20''--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 ... 50kmWheel typeFront/RearWheel size20'',22'',24'',26''or 28'' (700C) front/rearSuitable bike frame100mm front fork or 135mm rear fork ...