Mounting Position : Rear Drive Rated Voltage (V) : 36V Rated Power (W) : 250W Max Torque N. M No-load Current (A) : <0.9A Rated Current (A) : <8.6A Wheel Size Option (Inch) : 26/27.5/700C Freehub Body : Cassette Gear Type : Gear Drive Motor Type : Brushless Spoke Specifications : 36H13G Rated Efficiency (%) : >80% Noise level (dB). 1 pcs 36V 250W Rear Wheel hub motor. 1 pcs Display (optional) 1 pcs Left PAS Sensor 1 pcs Control Box 1 pcs Motor Controller 1 pair Brake Lever or brake sensors 1 pcs Thumb Throttle 1 pcs 1T4 Cable 1 pcs Headlight(free) 1 pcs Plastic Strap. Caution The maximum voltage this motor can handle is 36V. It is imperative that the motor be operated exclusively with a 36V battery to ensure optimal performance and avoid potential damage. Universal Compatibility? : Designed to fit most bike which rear dropout widths of 135-142mm with a 10-speed cassette or less, it seamlessly integrates with both V-brake and disc brake systems, enhancing versatility. The intelligent Pedal Assistance System (PAS) allows you to have throttle / pedal assit / walk assit / pedal bike 4 riding modes. The suitable riding mode can be switched as needed. It can reduce fatigue and ride more comfortably. It is great for long trips. Easy Installation&Complete Compenents? User-friendly installation is facilitated by detailed manuals and video tutorials. The Ebike kit includes most essential accessories for a complete upgrade, allowing for a one-stop shopping experience tailored to enhance your cycling adventures.