1. This rubber dust cover for rims is specially designed for all - terrain four - wheel go - karts and is suitable for models equipped with 110cc, 125cc, and 250cc engines. Its unique design allows it to fit the corresponding specifications of go - karts perfectly and provide good protection for the rims. 2. As a dust cover, its main function is to prevent dust, debris, and other foreign objects from entering the inside of the rim. This can effectively reduce the wear and damage of the rim caused by the intrusion of foreign objects, extend the service life of the rim, and ensure the performance and safety of the go - kart. 3. It can provide reliable protection for the rim in various complex driving environments, enabling your all - terrain four - wheel go - kart to always maintain a good operating state. 4. It is popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East.