The tires are IFMAR standardized utilizing the wheel hex offset. The tires function countersunk center area that allows the wheel nut to stay deeper into the wheel. The tires are ideal for high-competition race. They feature interior reinforcement ribs available safety and resist deformation, yet they're produced from a flexible material to make durability and withstand effects. The medial side regarding the wheel is aerodynamic for optimum performance. The tires had been built to offer maximum traction. The wheels function a 12mm interior hex. Band of 10 (5 set)