The tires are IFMAR standardised because of the wheel hex offset. The tires work countersunk center area makes it possible for the wheel nut to keep more deeply within the wheel. The tires are well fitted to high-competition competition. They work interior reinforcement ribs to offer protection and resist deformation. The medial component for the wheel is aerodynamic for optimum performance. The tires was certainly created to offer maximum traction. The tires work a 12mm inside hex. Yellowish color number of 10 (5 set)