This modified competitive quick – release decorative fuel tank cap assembly is suitable for Zhangxue 500RR motorcycles, made of aluminum alloy. The brand is DuDuDanQi, the model is 500RR, appli-cable to the track scene, and available in two color classifications: black and black – red. As a competitive modification accessory, it helps enhance the vehicle’s track performance, precisely matches the model, and its appearance design conforms to the competitive style. It provides a high – quality choice for owners pursuing performance and nationalization, and is an ideal accessory for upgrading the fuel tank cap of 500RR motorcycles.