Pneumatic tyres for a vehicle

The pneumatic tyre has a tread rubber with three tread strip profile ribs (2,3) in circumferential direction, and the zigzag-shaped rotating circumferential grooves (1). The grooves are extended in the central region of the tread strip profile ribs. Each profile rib is arranged in radial direction of the unstructured base ribs (4,8), and provided with the patch block structures formed at the corner regions.