1000W 48V 26" Electric Bicycle Front Hub Conversion Kit, fit for 3 15/16" front dropout spacing, with a speed of 28 mile/h (45 km/h), make your bicycle an electric power moped, brushless hub motor for noiseless running, to fully enjoy the pleasure of riding. Dual Mode Controller - Motor works under Hall effect and non-Hall effect, extend life for electric bicycle (If the components break down, controller will switch into non-hall effect mode, the motor will still be working ). LCD for Data Display - Shows battery condition, speed, distance, PAS, trip time and error codes for troubleshooting, also cruise and assist promotion function can be turned on by operating the LCD display. Pedal Assist Sensor - To sense your pedal cadence and accordingly adjust motor turning rate, get power assistant without using throttle, great for a long-distance journey, avoid wrist pain from keep pressing Durable Frame - Aluminum alloy frame for durability and stability. Convenient to Use - Twist Throttle makes speed control as a breeze Hand brakes shut off the motor automatically to save energy and improve safety. Environmental Protection - Powered by battery, without carbon dioxide emissions.