Features1Compatible: This electric bicycle thumb accelerator handle can be used with 22.2mm handlebars. The accurate size and shape make the thumb accelerator fit your electric bike well. 2Stable and Sensitive: This electric bike finger throttle can provide stable and responsive speed control, ensuring the safety of riding and providing a good use experience. 3Durable: The electric bike thumb throttle is made of rubber, ABS and meta materials, which makes the thumb throttle wear resistant and durable. 4Low Failure Rate: The cables and connectors of the speed control thumb throttle are sturdy, ensuring that there are few failures during long term use. 5Easy Installation: This bike finger trigger throttle adopts advanced production technology and can be easily installed on electric bicycles and scooters.SpecificationItem Type: Electric bicycle thumb acceleratorMaterial: Rubber, ABS, metalWeight: Approx. 57g/2ozPlug: Waterproof plugLength: 31cm/12.2inHandle Diameter: 2.22cm/0.87inApplicable Voltage: 12V 24V 36V 48V 52V 60V 72VPackage List1 xElectricBicycleThumbAccelerator1 xHex Wrench