It is compatible for BBS01 BBS02 BBSHD, it will make faster, smoother and safer.
Using high‑quality nylon material, it has high strength and strong durability, and can be used for long time.
The three-pin yellow waterproof connector is convenient for connection and has a wide range of use.
1T2 cable is helpful to add an connector to gear sensor, another one can be connected with the brake or brake sensor.
Cut off the power during the gear to avoid problems such as damage to the chain or derailleur, and bring a smooth feeling to the occupants.