Please note that you need to confirm whether your old motor is Spur gear or helical gear before buying. If you don’t know how to disassemble and judge, please contact support@fiido.com for help. For D... Lees meer
Please note that you need to confirm whether your old motor is Spur gear or helical gear before buying. If you don’t know how to disassemble and judge, please contact support@fiido.com for help. For D4S