| 摘要 |
A pneumatic tire comprising at least four circumferential main grooves extending in a tire circumferential direction, and a plurality of rib-like land portions that are partitioned and formed by the circumferential main grooves in a tread portion, wherein when a pair of the circumferential main grooves on the outermost side in a tire width direction are referred to as "shoulder main grooves"; left and right land portions of the land portions partitioned by the shoulder main grooves on an inner side in the tire width direction are referred to as "second land portions"; a first of the second land portions is referred to as an "outer side second land portion", and a second of the second land portions is referred to as an "inner side second land portion", the outer side second land portion comprises: a zigzag narrow groove having a zigzag shape, extending in the tire circumferential direction, and dividing the outer side second land portion in the tire width direction; and a plurality of sipes disposed at a predetermined pitch in the tire circumferential direction, extending from an edge portion on an outer side in the tire width direction of the outer side second land portion toward the inner side in the tire width direction, and terminating prior to the zigzag narrow groove, leaving a gap for ventilation. |
