1. ABS Material The finger gas accelerator is made of ABS material, which is not easy to damage and age, ensuring maximum strength and durability, as well as a long service life. 2. BIKE ACCESSORIES With a quick installation process, this thumb throttle lever requires no disassembly of the handlebar, saving time and effort, providing you with the power and speed you need to tackle any terrain. 3. ERGONOMIC DESIGN The thumb throttle adopts an ergonomic design with a comfortable grip, suitable for thumbs of all sizes, weather conditions, or when wearing gloves. It also features a balance spring to prevent thumb fatigue during long journeys. 4. EASY INSTALLATION The thumb throttle can be easily mounted on almost any speed controller and is positioned on both sides of the handlebar without interfering with the brake lever or shifter.