Description: 【Premium Material】: The folding electric bike thumb throttle accelerator is made of ABS material, waterproof, durable, and compatible for most electric bikes. 【Throttle Finger Sensitive】: The accelerator is sensitive. It can be started with a twist, very easy to use. Provides steady and sensitive control of speed. 【Great Feature】: Good performance speed control accessories can be replaced. Speed connector has professional manufacturing, stable, and high reliability. 【More Comfortable to Drive】: The thumb throttle has a comfortable grip and does not hurt the hand, and can be more comfortable when driving. 【Easy to Install】: It is suitable for electric bikes, and electric scooters. It can be installed on both sides of the handlebar, left and right universal, and has great practicability. Specification: Material: ABS Model: Thumb Throttle Throttle Size: 25mm/0.98inch Cable Length: About 150cm/59.06inch Colour: Black Package Includes: 1 Thumb Throttle(4 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.