Description:Electric Bicycle brushless motor Advantage of the motor: 1.brushless,used for long time(bearing),no need to maintain 2.less space and weight,great power,simple construction 3.excellence starting performance 4.no magnet-hysteresis damping energy consumping and good creeping slop capacity 5.no spark,no electric interference,explosion prevention 6.high efficiency,less electric power consumption 7.large staring power,strong output function,stepless speed regulation 8.high cost performance,much more economical than govenor 9.superior water-proof function Technical Data: Model: DCQSWXB power:250 w Current:10 speed:280 rpm Torque:9Nm Eff:78% packing:45.5?9.5?3(cm)