The 36V 350W powerful brushless hub motor with a speed of 17.5-22mph can make you fully enjoy the pleasure of riding. LCD display is easy to operate with 5 gears speeds for you to choose, which will bring you different levels of assistance in different road conditions, save your time and effort. Power cut-off brake handles ensure personal safety while protecting the motor. In addition, it saves energy and protects the environment without polluting the atmosphere. If you are looking for such a rear wheel electric bike kit, it will be your ideal choice!