A Pair of EBike Torque Arm. Size M12 fits all kind of motors on www.bmsbattery.com except MagicPie3 motor and Q11 motor . Size M14 fits MagicPie3 motor and Q11 motor . The function is to reinforce the front fork and rear drop out. Size M12 is for 12mm axle. Size M14 is for 14mm axle.
MagicPie3 Third Generation EBike Hub Motor with Smart Controller Inside. 24V/36V/48V Versatile Voltages; Power: 1000Watts, 35A Continuous; Rear Driving. A USB data communication adapter included. Attention ! We recommend to use our 38120 ,38140 and 40152 batteries with this kit ,discharge 30/60A or 50/100A versions , other batteries...