- Package Includes: 22 total universal Presta valves, 10 caps, and 2 valve core removal tools. This comprehensive Presta valve set is ideal for everyday bike repairs. - Size and Compatibility: Valve size measures 0.433 inches, with valve core caps sized at 17x6.35mm (0.63 x 0.25 inches). Designed for a precise fit with all standard Presta valve cores. - High Performance: This product is compatible with all Presta valves, ensuring easy core replacement for tubeless mountain bike tires, road bike tires, gravel bike tires, and cyclocross tires. - Practical Use Scenarios: 1. Quickly replace a damaged valve core on a road bike tire during a long ride. 2. Seamlessly switch out cores on a mountain bike for optimal pressure management on rugged terrain. 3. Keep spare valve cores handy for quick fixes while biking on gravel paths. - Quality Design: Made with durable materials to ensure long-term use and reliability. Each component is engineered for superior performance in a variety of biking conditions. - Essential for Bikers: This Presta valve kit meets the needs of both casual cyclists and serious bikers, making it a must-have addition to your repair toolkit.