Vittoria’s market-leading repair and inflation cartridge. Designed specially to repair tyres, it is easy to carry on the bike during all types of cycling events. Pitstop Magnum is made to get you back in the race without delay. Works on butyl tubes, latex tubes as well as tubeless tires. This foam is light, easy to use and less messy than liquids. It will fit both Presta and Schrader valves.