1 Pair Bicycle Tubeless Tire Valve CNC Aluminum 40/44mm Bicycle Valve Value Core Remover Tool Fit for Most Tubeless Bicycle Rims. Features: Superior Airtightness, Quick Installation, Variety of Choices, Material and Craftsmanship, Enhanced Durability. Made from ultralight aluminum alloy with an anodized finish, this bicycle valve reduces weight while preventing rust, extending the lifespan of the valve kit.