The Longacre Hydration System is a large capacity double insulated cooler with an integrated drink tube and “bite valve.” It bolts onto your roll bar – no welding required, for either 1.5″ or 1.75″ roll bar tube sizes. Made from lightweight powder coated aluminum, it’s the perfect solution to mounting your drinking system in your race car. The adjustable brackets allow you to mount it at different angles if needed. $70.