The wheels are IFMAR standardised aided by the wheel hex offset. The wheels feature countersunk center area permitting the wheel nut to sit deeper into the wheel. The tires are perfect for high-competition racing. They work interior reinforcement ribs to provide you with safety and resist deformation, yet they're typically created from a flexible product to provide you with durability and withstand effects. The medial part about the wheel is aerodynamic for maximum performance. The tires had been designed to offer maximum traction. The tires function a 12mm interior hex. Group of 10 (5 set)