This Vintage Bicycle Pump Valve Adapter is a must-have for any cyclist. Its wide compatibility allows it to be used on different types of bikes, including mountain bikes, road bikes, and so on. The conversion nozzle makes it easy to switch between different valve types, ensuring a convenient inflation process. The compact and sturdy clamp design a secure connection, preventing any air loss during pumping. Features -Color:Black -Material:Iron, plastic -Size:6.50X3.50X2.00cm/2.55X1.38X0.79in -Note: British style. -Suitable for mountain bikes, road bikes, and teens' bikes: this product is designed to be compatible with a wide range of bicycles, including mountain bikes, road bikes, and teens bikes. -Effortless switching between different valve types: with this product, users can easily switch between different valve types without any hassle or difficulty. -Compact size for easy portability: the product is designed to be compact in size, making it easy to carry and transport wherever you go. -Sturdy clamp design for a secure connection: the clamp design of this product ensures a secure and reliable connection, preventing any air leakage during the inflation process. - for long term use: this product is built with iron and plastic materials and construction, ensuring its durability and long-term use. Package list: 1 x nozzle inflatable chuck 2 x british valve cores 4 x gaseous core 2 x covers 2 x fasteners 1