For electric scooter, mini bike quad and Go-Kart. It may also work for bicycle.Specs: - 24V DC - Max 500 Watt, 26.7 amps - Max 2500 RPM - Chain drive (11 teeth sprocket) #25H chain - Type of motor: DC, Brush - Reversible - 12 gauge leads - Permanent Magnet Dimensions: as picture shows This motor should work with some Xtreme or Razor electric scooter, mini bike or go-kart using a 500W motor. Should also work with any other brand with similar specs in motor Please check connector type and motor size and specs. Controller: Ted Voltage: 24Volts Rated power: 500 watts Under Voltage Protection: 20V±0.5V Current Limit:28±1A Usable Motor: 24V500 Watts Speed Regulator 1-4 V(Throttle) Operating Conditions: -25--45 Function: This item Suitable for electric bike & scooter This is brush motor controller. Package includes 1x motor+ 1x controller +1x Foot pedal+1x battery charger+ 2x Batteries+1x throttle grips+1x key switch.