Features1Thumb throttle for BAFANG BBS01 BBS02 mid drive motor, it is electric bicycle conversion accessories. 2Suitable for handlebars with a diameter of 22.5mm / 0.9in, it has a wide range of applications. 3It adopts waterproof connector, compact and light design, easy to install and use. 42472V universal electric bike, finger accelerator adapted to the motor of the bicycle hub and electric bike controller. 5Made of highquality plastic, it is resistant to aging and abrasion, and is durable to use.SpecificationItem Type: 130X Thumb ThrottleMaterial: PlasticProduct Color: As Pictures Shown Product Weight: Approx. 42g / 1.5ozVoltage: Universal for 24V to 72VApplicable Handle Diameter: 22.5mm / 0.9inPackage List1 x 130XThumbThrottle