| 摘要 |
In a pneumatic tire for traveling on an off road, including a tread pattern in which a plurality of blocks are formed by at least three vertical grooves extending along a tire circumferential direction and a lateral groove intersecting the vertical grooves, each of the lateral groove arranged among the three vertical grooves and the vertical groove arranged in a middest portion has a groove wall surface forming a step portion, and a projecting stripe continuing approximately at an identical height is provided at a whole of each groove bottom thereof.
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