[Complete Kit] Bike lithium battery conversion kit, including 36V 250W front wheel drive 20 inch motor wheel, 15A controller, LCD8S instrument, throttle switch, 8 magnetic power assist, power off brake lever, controller box. [No Noise] Brushless gear hub DC motor of modification adopts aluminum alloy, which enhances the edge, has strong bearing capacity, is light and comfortable, runs without noise, and enjoys riding pleasure. [High Quality Material] design of metal controller shell, good heat dissipation, avoid thermal overload. ABS plastic meter, light and durable, with good toughness...