1. This off-road motorcycle modified chain guide sprocket, chain tensioner, and tension pulley are ingeniously designed and specially made for off-road motorcycle enthusiasts. Its model is 420/428, which is generally suitable for various off-road motorcycles. No matter which off-road motorcycle you ride, it can fit well. 2. During the design process, the needs of off-road riding were fully considered. It has good anti-slip performance, which can effectively ensure the stable operation of the chain and make your off-road process safer and smoother. As a chain tensioner and tension pulley, it can accurately adjust the tightness of the chain, avoid potential safety hazards caused by the chain being too loose or too tight, and extend the service life of the chain and sprocket. 3. Whether you are galloping in the African wilderness, European mountains, or in various complex terrains in South America, Southeast Asia, North America, Northeast Asia, and the Middle East, it can escort your off-road journey with its good performance. 4. It is available in a variety of specifications to meet the personalized needs of different users and is a good choice for off-road motorcycle modification.