1. EASY INSTALLATION: 130X thumb throttle compatible with easy installation without the need for modification, cutting or drilling. The 3-pin waterproof connector provides a stable and reliable connection. 2. APPLICABLE MODEL: This thumb throttle is suitable for BAFANG BBS01 BBS02 BBS02B electric bicycles, with strong compatibility, and can be used with mid-mounted motors and hub motors. 3. SPECIFICATIONS: This throttle has a cable length of 50 cm, is compatible with a tube diameter of 22 mm and is equipped with a 3-pin waterproof connector, providing flexible and convenient installation. 4. ADAPTIVE VOLTAGE: The thumb throttle is compatible with voltages of 24V, 36V, 48V, 52V, 60V, 72V, and is suitable for speed regulation of multiple electric bicycles, making it convenient and useful. 5. COMPACT AND PRACTICAL: This thumb throttle is made of excellent ABS material, which is light and practical, convenient to use and carry, and you can use it anytime and anywhere. Product type: Thumb throttle for electric bicycle Product material: ABS Connector: 3-pin adaptive Voltage: 24V, 36V, 48V, 52V, 60V, 72V Installation tube diameter: Approx. 22 mm / 0.87 inches Cable length: Approx. 50 cm / 19.7 inches 1 x Thumb throttle