... :waterpoof 9:powerful designElectric bicycle kits covers:1) A:motor with doublewall rim DC 36V, 150W, 250W, 300W; DC 48V, ... disc brake and geared freel wheel designB: intelligent contorller with Auto crusing/regeneration/pad/cycleanalysor/low voltage protester/forward and ... 9) Easy to understand 10) Connect the wire with same color11) 2m lever of front motor, handgrip, brake lever12) More options ...