Description: 48V 750W rear hub motor, no black casing. Note: Does not include tire, tube, or flywheel. The motor is not a universal model. Please select the appropriate specification based on your e-bike model, cable exit location, and plug type to ensure accurate compatibility. If you are unsure, please contact us. After receiving the motor, please take it to a local professional e-bike shop for careful installation. PS. Please do not omit any small parts when installing/replacing. All accessories are non-refundable and non-exchangeable.