Well, we found an easy answer. Colby Valve makes its Emergency Tire Valve System, a complete and no-tools-required way to replace that busted up valve stem on your tire. Colby Valve also makes the ...

AIGO-TEC has over a century of making a better tire valve, which they've used to create their new Capless Speed Valve ...

Schwalbe claims that when used in place of regular Presta valves on tubeless tires, Clik increases air flow by 50%. This means that a given amount of tire pressure can be reached with half the effort.