The tires are IFMAR standardised aided by the wheel hex offset. The tires work countersunk center area permits the wheel nut to help keep much deeper inside wheel. The tires are well suited for high-competition competition. They work interior reinforcement ribs to provide protection and resist deformation, yet these are typically made out of a flexible product generate durability and withstand effects. The medial side regarding wheel is aerodynamic for maximum performance. The tires was at reality designed to offer maximum traction. The tires feature a 12mm inside hex. Couple of 2 (1 set)