Electric bike conversion kit 200W, 250W, 350W,500W brushless motor 20", 26", ... " wheel 36V/12Ah, 36V/14Ah, 48V/12Ah, 48V/14Ah Electric Bike Conversion KitKit for converting normal bicycle into electric bicycle, easily ... max speed 32km/h(optional) PAS Sensor (convert bicycle into Pedelec as EU required) Smart controller: totally match the motor Cut ...