Description: 【Premium Material】: The electric bike thumb throttle accelerate is made of pp material, waterproof, durable, and compatible for most electric bikes handlebars. 【Throttle Finger Sensitive】: The accelerate 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 scooters. It can be installed on both sides of the handlebar, left and right universal, and has great practicability. Size Chart: 7cmx4.7cmx2.5cm/2.76inchx1.85inchx0.98inch Cable length is about 176cm/69.29inch Package Includes: 1 Thumb Throttle Note: Please allow slightly errors due to manual measurement and different monitors.