... 9:powerful designElectric bicycle kits covers:1) A:motor with doublewall rim DC 36V, 150W, 250W, 300W ... 48V, 150W, 350W, 500W. front and rear wheel motor are both available (100mm and 135mm for forks) ... :charger 24/36/48v 1.8/3.0AE:throttle with battery indicator and power switchF:electric brake ... the wire with same color11) 2m lever of front motor, handgrip, brake lever12) More options to assemble13) ...