Features1WIDELY APPLICABLE: It is suitable for modifying most off road bikes, pit bikes, off road motorcycles, motorcycles, electric bikes, scooters, mountain bikes, and many other types of vehicles. 2 MATERIALS: copper wire rotors and powerful magnet cores are used inside, combined with a sturdy aluminum casing to ensure efficient and stable performance. 3STRONG POWER SUPPORT: The internal careful design and synergy provide users with strong power support and a more powerful driving experience. 4HIGH PERFORMANCE MOTOR: Featuring 24V voltage, rated power of 250W, gear ratio of 8.9 and rated speed of 2950 rpm design ensures the stable operation of the motor. 5EXQUISITE DESIGN: The aluminum exterior not only provides superior guard, but also adds a sense of sophistication to your motorcycle. And with careful craftsmanship, this speed reduction motor redefines power, durability and driving experience to unlock the true potential of your ride.SpecificationItem Type: Speed Reduction Motor Controller KitMaterial: Aluminum, CopperWeight: Approx. 2490g / 87.8ozRated Power: 250W Reduction Ratio: 8.9Rated Speed: 2950rpmPackage List1 xSpeedReductionMotor1 xBrushedController