1、Universal Application: The 20in hub motor is applicable for most electric motorcycles, electric buggies, electric bicycles, scooters, go karts, etc. 2、Increase Speed: If your scooter is unable to climb the slope and drives slowly, replace it with this motor, and immediately speed up to provide more power to solve the problem. 3、High Performance: Features 500W‑1500W high torque hub motor for efficient and noiseless running, easily convert your electric bike and reach the rated speed of 30km/h or 80km/h. 4、Reliable Specifications: Features a voltage of 36V 72V, rated power of 500W‑1500W, IPX5 waterproof, 60N maximum torque and 84% high efficiency performance. 5、Practical in Use: The motor could provide high speed performance, which guarantees no stuttering, and the rated voltage of 36V 72V makes the motor more widely applicable.