Prevent your tires from undergoing any kind of severe explosion by safeguarding them with the Grenade Rubber Valve. Shaped in the form of a grenade, it not only works as a simple rubber valve but also has a unique design. This grenade, surprisingly, prevents your tires from exploding. It sounds like an oxymoron, but that’s exactly what you’ll get to see if your tire has one of these rubber valves. Each set includes four valves and can add to your bike fashion by giving your boring tires a bombastic design. Safe riding is always the best style you can carry!