The tires are IFMAR standardised because of the wheel hex offset. The tires work countersunk center area allows the wheel nut to hold deeper in the wheel. The tires are particularly suitable to high-competition competition. It works interior reinforcement ribs available security and resist deformation. The medial component the wheel is aerodynamic for maximum performance. The tires had been positively built to provide maximum traction. The tires work a 12mm inside hex. Yellowish color wide range of 10 (5 set)