Features1Compatible: This electric bike throttle grip can be matched with 22.2mm handlebars for longer life. Provides stable and responsive speed control. 2Durable Materials: Electric bike thumb throttle is made of rubber, ABS and metal material, which is not easy to wear and durable. 3Scope of Application: This speed control finger throttle is suitable for electric bikes or scooters of 12V 24V 36V 48V 52V 60V 72V. With wide compatibility. 4Upgraded Performance: The cables and connectors of the electric bike thumb throttle are durable, ensuring long term use with low failure rate. 5Convenient to Use: The thumb throttle speed control is easy to install. Using advanced production technology, it can be easily installed on electric bikes, scooters.SpecificationItem Type: Electric Bike Thumb AcceleratorMaterial: Rubber, ABS, MetalGross Weight: 87g / 3.1ozProduct Size: 36x50mm / 1.4x2.0inDiameter of Dial Handle: 2.22cm / 0.9inThe Length of Connector of the Finger Dial: 167cm / 65.7in(there is an error in the hand measurement)Connector: SM connectorPackage List1 x BikeFingerThrottle1 x Hex Wrench