IRC Serac CX Mud Tubeless tire 700 x 32c - black Designed to conquer the nastiest wet cyclocross courses, the SERAC CX Mud has a tread pattern similar to the CX, but re-engineered specifically to maintain traction and cornering ability in 182 TPI casing Inner-air-seal prevents leakage ISO Width (mm): 32mm Labeled Size: 700 x 32