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 (Pls leave a note if you want brake sensors) 1 pc Thumb Throttle. 1 pc 1T4 Cable 1 pc Headlight 1 pc Sticker 1 pc Plastic Straps 1 pc XT60 Cable.