about this article High-quality throttle control device: the top plate can help you adjust the safest and most suitable grip, reducing the strain on your hands and wrists after long-distance riding, especially suitable highway and long distance driving. Top quality: made of high quality materials, solid and durable, long term use. All black clips are seamlessly integrated into any bike, leaving no words or logos behind, and will not affect the appearance of the bike. Main control splint: there is a rubber ring on the upper screw, which can release the vibration when driving. Therefore, the screw will not be loosened due to vibration. Please keep the speed constant. Easy Installation: The throttle clamp can be installed without tools. Place the silicone ring on the bottom of the throttle, unscrew a clip large enough to overcome the throttle and tighten it. Adjust the top screw to the safest position. Universal Throttle Control Device: This motorcycle throttle clamp is suitable for all throttles with a diameter between 1.18inch-2.16inch \/ 3cm-5.5cm and suitable for most motorcycles and sports bikes. Product description Specification: Size: about 3.1 x 0.8 x 6.8 inches Color: black Weight: about 55g \/ about 0.12 lbs Applicable models: GM RemaASDue: This is a throttle clamp, not a speed control device. It is designed for adjust the grip\/throttle to the desired position. Never take your hand off the throttle. Do not adjust the dial while riding. Remember to push the throttle forward to release the clamp function. The descent speed will increase and the ascent speed will decrease. Packing List: 1 throttle control 1 x silicone ring