American Classic’s valves have an alloy opening and are the largest, making them a bit more clog-resistant against the fiber-heavy sealants. Tubeless tire valve comparison and review. © Cyclocross Magazine

American Classic’s valves have an alloy opening and are the largest, making them a bit more clog-resistant against the fiber-heavy sealants. Tubeless tire valve comparison and review. © Cyclocross Magazineundefined