The notched center rib maintains the surface contact while the tires are in motion. This allows the tire to greatly upgrade the steering responsiveness and driving stability. In other words, the steering is quick and precise in its response to the driver's commands, while the structure is secured against the driving pressure affecting the tire. The shoulder block pattern enhances the cornering ability with the use of extra biting edges. This promotes safer handling, as it guarantees the driver's better control over the vehicle at all times.