Optimized Performance: The for tubeless Presta valve, features a CNC-machined one-piece design ensuring near-perfect airtightness. Its innovative three-hole base design enhances air flow by 30%, boosting inflation efficiency by 36%, and significantly reducing the risk of leaks and flat tires. This ensures stable tire pressure and , reliable performance. Superior Materials: Crafted from premium aluminum alloy and treated with an anodic oxidation process, our valves are designed to be both and rust-, extending their lifespan. The vibrant color options, achieved through a meticulous spraying process, add of style while highlighting the for 's distinctive design ethos. User-Friendly Installation: Each set includes two tubeless Presta valve stems and two caps with integrated valve core removal tools. This feature simplifies maintenance, allowing for easy sealant application and straightforward fitting to tubeless rims. Color:As Shown Material:Aluminum Alloy Package Contents: 2 * CNC Aluminum Tubeless Bicycle Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.