... kit includes motorized wheel, motor controller with LCD display, speed throttle, powerbreak lever, wire harnessQuiet and Reliable Brushless Gearless ... : 36Vdc/500W/320rpm or 48V/1000W/430rpmHigh Motor Efficiency: >80%Speed: 0-50kmOther options: LED front & rear light, disc brake ... , 6-speed cassette, controller box, li-ion battery & charger, rack and ...