Features1The smart gear sensor can power down or cut off the motor during gear shifting to avoid chain wear and tape breakage. 2Made of highquality nylon material, it has high strength and strong durability, and can be used for long time. 3Fine workmanship, performance, strong practicability and high reliability. 4Small in size and light in weight, it is easy to carry and install, very convenient to use. 5Gear sensor for BAFANG BBS01 BBS02 BBSHD mid drive motor, it is electric bicycle conversion accessories.SpecificationItem Type: Gear Shift Sensor for BAFANG Mid Drive Motor Material: NylonProduct Color: As Pictures Shown Product Weight: Approx. 26g / 0.9ozVoltage: Universal for 24V to 72VPackage List1 xGearShiftSensorforBAFANG MidDriveMotor1 x Accessories