... can be done at home with fun. Electric Bike conversion kit usually includes an electric hub motor,a motor controller,throttle and brake lever ... 2. A 48v 1000w smart controller. basic functions: speed control , brake to cut off motor power, battery power indicator, 1+1 pedal assist ... . 3. A throttle : twist throttle or thumb throttle : battery power indicator, on/off switch and speed control. 4. 1+1 ...