Using this Bafang half twist throttle is easy. First, identify your existing wiring for the Bafang BBS01B, BBS02B, or BBSHD mid - drive motor. Then, carefully plug the throttle unit into the wiring. Make sure the connection is secure. When using, gently twist the throttle to control the speed of your motor. As for maintenance, keep the throttle clean and dry. Avoid getting it wet or exposing it to extreme temperatures. If you notice any issues with the throttle action, check the connection first. If the problem persists, contact customer support.