| 主权项 |
1. A pneumatic tire comprising
a tread portion provided with a pair of crown main grooves disposed one on each side of the tire equator, and extending continuously in the tire circumferential direction, a plurality of center axial grooves connecting between a pair of the crown main grooves, and a plurality of center blocks divided by a pair of the crown main grooves and the center axial grooves, wherein
the center blocks include a siped center block,the siped center block has a first block side wall and a second block side wall respectively extending along a pair of the crown main grooves, and is provided with a first sipe extending from the first block side wall to the second block side wall,in the top view of the siped block, the first block side wall and the second block side wall are substantially V-shaped to have a vertex protruding outwardly of the block, and the first sipe has a wavy configuration at least partially of its length, andone end in the tire axial direction of the first sipe is positioned on one side in the tire circumferential direction of the vertex of the first block side wall, whereas the other end in the tire axial direction of the first sipe is positioned on the other side in the tire circumferential direction of the vertex of the second block side wall. |
