The continuous center rib closely follows the road surface, which significantly boosts the steering responsiveness and the driving stability. The steering becomes faster and more accurate in its response to the driver's commands, while the structure is stabilized against the driving pressure affecting the model. The optimal shoulder tread block placement enhances the cornering ability. These tread elements increase the number of biting edges gripping the road surface throughout the year, guaranteeing a secure maneuvering security.