Specialized Airlock Schrader Valve Tube

The Specialized Airlock Schrader Valve Tube is a performance bicycle tube for holding air. The self-sealing bicycle tubes feature a powerful Airlock sealant that coats the tube for permanent protection against punctures. The sealant is designed to work continuously to prevent slow leaks, so erring complete catastrophe, you won't have to worry about a flat when you're riding over debris.