Specialized Airlock Presta Valve Tubes are self-sealing bicycle tubes. They feature powerful Airlock sealant that coats the tube for permanent protection against punctures.
Not only this, but the sealant is designed to work continuously in order to prevent slow leaks from occurring, so erring complete catastrophe, you won’t have to worry about flatting when you’re riding over debris.
Size: Fits 26 1.5/2.2 (MTB)
Condition: NIB, New In the Box