A. The chain guide sprocket, chain tensioner, and tension pulley of this off-road motorcycle modification are exquisitely designed and specially crafted for off-road motorcycle enthusiasts. Its model is 420/428, which is generally suitable for various off-road motorcycles. It can fit well with most off-road motorcycles. B. 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, making your off-road process safer and smoother. As a chain tensioner and tension pulley, it can precisely adjust the tightness of the chain, reducing potential safety hazards caused by the chain being too loose or too tight and extending the service life of the chain and sprocket. C. Whether you are riding in the African wilderness, European mountains, or various complex terrains in South America, Southeast Asia, North America, Northeast Asia, and the Middle East, it can support your off-road journey with its good performance. D. It is available in a variety of specifications to meet the individual needs of different users and is a good option for off-road motorcycle modification.