This guarantees the tire's constant road contact, which improves its controllability. The maintained road contact upgrades the steering responsiveness and the driving stability. As a result, the steering is faster and more accurate in its response to the driver's instructions, while the structure is secured against the driving pressure affecting it. The shoulder tread design heightens the number of biting edges that firmly grip the road surface during cornering. In this manner, the cornering and maneuvering ability is boosted. The constant road contact and the tire's maintained shape under the high speed driving pressure allows the model to perform to its best capability. The tire shape does not deform under the pressure affecting it, ensuring a comfortable performance.