The heavy-duty construction does not deform under the load and driving pressure. In this manner, the tire is able to greatly improve the tire's overall load carrying capability. As the tire does not deform under the load and driving pressure, it is able to significantly upgrade the model's load handling power. The maintained optimal shape and the ribbed tread design surface contact to boost the steering responsiveness and driving stability. In other words, the stronger structure promotes a better steering response time and accuracy to the driver's commands, while the structure is secured against the driving pressure. This results in better controllability as well.