1. This valve cap, suitable for road fixed-gear bikes and mountain bikes, is specifically designed for bicycles. In terms of specifications, it comes in two types: Presta valve and Schrader valve, which can meet the needs of different bicycles. Whether it's a road fixed-gear bike or a mountain bike, it can be compatible with them. 2. It is made of aluminum alloy, which is sturdy and durable. The unique blade rim design is both aesthetically pleasing and practical. Its main function is to serve as a dust cap for the valve, which can effectively prevent dust and other impurities from entering the valve, protect the valve system of the bicycle, and extend the service life of relevant bicycle components. Whether it's for daily cycling or professional cycling sports, it can provide reliable protection for your beloved bicycle. 3. This product has a good sales volume in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It also has an authorized private brand, and its quality is trustworthy.