Pit Stop fast repair and inflation foam is specifically designed to repair any type of tire; it's easy to carry on the bike during all your rides. Pit Stop is made to get you back in the race without delay. Works on butyl tubes latex tubes as well as tubeless tires. It's light and easy to apply as it perfectly fits Presta valves.Lightweight easy to carry disposable cartridgeFoam offers protection for 3 monthsDesigned for use with Presta valves only