The tires are IFMAR standardized along with the wheel hex offset. The tires work countersunk center area which allows the wheel nut to help keep further in wheel. The tires are perfect for high-competition battle. They work interior reinforcement ribs to supply security and resist deformation, yet they're typically made out of a flexible item to create durability and withstand results. The medial element of wheel is aerodynamic for optimum performance. The tires have now been designed to offer maximum traction. The tires work a 12mm inside hex. Number of 10 (5 set)