Note： We use the brake cable with a power cord ,our clients can use disc brakes but can not use hydraulic brake. About the battery: The power and voltage of the battery you buy should be consistent with our set. When installing, make sure that the wiring is not reversed.Otherwise, it may damage the product. the size of amps determines the amount of battery storage, the battery storage determines the length of using time, the battery in our pack must match the interface of our controller. Please do not install other seller's accessories into our suits. If it does not match, it will easily damage the machine. If you want to buy accessories separately, please contact us. while connecting the controller to the wires, please make sure that you connect the right colors to the controller.
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