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.
Cute-8512 200W-250W Permanent Magnet Brushless Double Geared High Speed DC Hub Motor with 12" rimModel: Q-8512;Voltage: 24V or 36V; Power: 250WWheel size: 12"Diameter: 12" rim; Weight: 2.5KgApplication: Front-driving motor