The motorcycle cruise control system is made of aluminum rubber, the surface is oxidized and it is durable (only applicable to the handle diameter 3.2 mm). Easy to install, no tools are required. All you need to do is manually install the throttle lever on the throttle, and then adjust the upper screw to the safest and most suitable position for the throttle lever. The motorcycle cruise control system adjusts the safest and best holding position to reduce wrist discomfort caused by long-distance driving. Ease of use: Install the throttle lock on the throttle and brake handle, accelerate to the right speed, rotate the throttle lock with the handle, and then use your fingers to push the throttle lock back to the brake handle to drive at a constant speed. Set the throttle to zero and release the throttle. General cruise control, a cruise assist system suitable for motorcycles/bicycles, suitable for most motorcycles and sports bikes. (Not applicable to tapered handles.)