The tires are IFMAR standardized with the wheel hex offset. The tires function countersunk center area makes it possible for the wheel nut to stay deeper inside wheel. The tires are ideal for high-competition race. They function internal reinforcement ribs to offer stability and resist deformation, yet they have been created from a flexible material to provide durability and withstand impacts. Along side it associated with wheel is aerodynamic for maximum performance. The tires had been designed to offer maximum traction. The wheels feature a 12mm internal hex. Set of 2 (1 pair)