1.DC hub motor, Brushless dc motor, bicycle conversion kit 2.Small size, high torque. 3.High efficiency. 4.Geared drive DC hub motor, Brushless DC Motork, bicycle conversion ... is determined by the controller current limit, but can be 2000W. Our lower speed motors will have lower continuous output ... may not be the right choice for you.Thanks ! DC hub motor, Brushless DC Motor, bicycle conversion kit