Rated parameter of 48V / 750W; it can be adapted to disc brakes and supports 9-speed cassette; it can be adapted to wheel diameters ranging from 20 inches to 700C. The weight of the product is 4.5kg, tmaximum power can be greater than 1000W, maximum torque more than 80Nm; maximum efficiency of 80%; no-load noise is less than 60dB; and protection level of IP65. This motor is strongly recommended for beach, snow, and Cargo bikes.