This is a fuel tank cap specially designed for ATVs and off-road motorcycles. It features a meticulous design with a size of 40mm, which can precisely fit vehicles with a displacement of 50 - 125cc. This fuel tank cap is made of plastic material. This material not only ensures the durability of the product but also has a certain degree of flexibility. It can effectively resist various types of wear and collisions during daily use, providing reliable protection for the fuel tank and preventing fuel leakage, thus allowing you to ride with greater peace of mind. It has a wide range of applications. Whether in the vast deserts of Africa, the undulating mountains of Europe, the dense jungles of South America, the tropical regions of Southeast Asia, the plains of North America, or the sandy areas of the Middle East, it can perform excellently. Whether you are engaged in daily riding activities or participating in exciting off-road races, it can handle the tasks perfectly. It is an ideal accessory for ATVs and off-road motorcycles.