The kit UUKIT5S includes:
1. 5 inch hub motor gearless dropout size 68mm
2. brushless motor controller with EABS braking (regenerative braking), reverse, auto-cruising, speed limit.
3. thumb throttle with switch button and battery indicator/or/twist throttle with switch key lock and battery indicator.
4. braking levers/or/2 switch button control.
The standard version of this motor is 36V 250W, rated speed 22km/h,24v 250w, 17km/h. We can also make it in 24V/36V/48V version. It is a gearless motor and high speed,the max speed we can customize to 48v 250w 35km/h.
The motor details, please refer to this http://www.uumotor.com/new-5-inch-electric-scooter-motor-gearless-250w-20kmh.html
The UUKIT5SC and UUKIT5SD motors are band braking version, motor dropout size is 100mm.
We have a great mini go kart to recommend here: