The product is a pair of Specialized Schrader valve caps (built in gauge )made of alloy material in black color. It is designed for all SV wheel size and includes a pair of valve caps. These valve caps are a specialized part made by the renowned brand Specialized, ensuring high quality and durability for your cycling needs. Perfect for maintaining proper air pressure and sealing in your bicycle tires, this product is a great addition to any cyclist's gear collection.x2caps SV both