Specification Full Speed48V 1000W about 45 55km hHub MotorBrushless non gear hub motorRimDouble wall aluminium alloy rimPackage included 1 x Motor Wheel1 x Controller Bag1 x Terminal box and Extension Line1 x 1 1 Pedal Assistance system1 x Twist Throttle1 x Brake Levers1 x Controller1 x ManualNOTE When you complete the installation please check the following points √ The wheel is securely in right position √ Rear wheel is exactly aligned with front wheel √ All components are tightened up √ The throttle and brake are sensitive enough to use √ The handle bar can be rotated freely √ Mechanical brake works normally √ Two poles of the battery are connected correctly Very important √ Please check each connecting port is fastened before you the battery