1.Place of origin:(mainland) 2. rear wheel motor 3.high efficiency 4.we serve best price 5.depends on your meet 1.brushless,used for long time(bearing),no need to maintain2.less space and weight,great power,simple construction3.excellent starting performance,no magnet-hysteresis damping energy consumping and good creeping slop capacity4.no spark,no electric interference,explosion prevention5.high ...