The Stans Universal Valves Medium are built to make tubeless wheel setups simple, reliable, and easy to maintain. Designed by Stan's NoTubes, these valves help riders get the most out of their tubeless systems with dependable sealing and durable construction. The strong brass body provides long lasting strength that stands up to repeated use and harsh riding conditions. A removable valve core makes it easy to add sealant without removing the tire, helping keep maintenance quick and convenient