Brake Type: Disc Brake. Motor connector: Quick Release Waterproof Connector. Efficiency (%)? 82%. Packing List: 1 pc Rear Hub Motor with Wheel 1 pc Display(Optional) 1 pc Left PAS sensor 1 pc Controller Box 1 pc Motor Controller 1 pc Brake Lever or brake sensors 1 pc Thumb Throttle. 1 pc 1T4 Cable 1 pc Headlight 1 pc 36V250W Sticker 1 pc Plastic Straps. Powerful Brushless Geared Motor? : One thousand W brushless motor with tooth gear for power and low noise. Powerful controller doubles riding distance, making it easier This Rear Hub Motor Kit delivers a robust 65N. Ideal for thrill-seekers and daily commuters alike. 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 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.