The tires are IFMAR standardised as a result of the wheel hex offset. The tires function countersunk center area permitting the wheel nut to keep much deeper in wheel. The tires are perfect for high-competition competition. It works interior reinforcement ribs to offer security and resist deformation. The medial component the wheel is aerodynamic for optimum performance. The tires happen intended to offer maximum traction. The tires work a 12mm inside hex. Yellowish color number of 2 (1 set)