Features1Good Contact: The cables and connectors of the electric bike thumb throttle are durable and have good contact, ensuring long term use with a low failure rate. 2Ideal Replacement: Electric bike thumb accelerator can be used to replace old broken parts with great practicality. 3Durable Materials: The 300X thumb throttle is made of ABS and metal material, which is not easy to wear and is durable. 4Ease of Use: The 300X throttle accelerator is easy to install, simple to operate and easy to use. 5Scope of Application: Electric bike 300X thumb throttle can be applied to 12V72V electric bikes or electric scooters.SpecificationItem Type: Electric Bike 300X Thumb ThrottleMaterial: ABS, MetalThumb Throttle Diameter:Approx. 2.25cm / 0.9inThumb Throttle Connector Cable Length: Approx.180cm / 70.9in(Hand Measurement Error)Connector: Ordinary SM ConnectorPackage List1 xElectricBike300XThumbThrottle1 x Hex Wrench