| 摘要 |
PROBLEM TO BE SOLVED: To improve snow road performance while maintaining operation stability.SOLUTION: A pneumatic tire 1 is designated in an orientation of a device to a vehicle. There are formed an outside middle land part 8 which is partitioned by a first main groove 3 and a second main groove 4, and an inside middle land part 9 which is partitioned by the second main groove 4 and a third main groove 5. In the outside middle land part 8, there are formed a plurality of middle inclined grooves 12 which do not directly communicate with either of the first main groove 3 and the second main groove 4, a plurality of outside middle lag grooves 13 which connect the first main groove 3 and the middle inclined grooves 12, and inside middle lag grooves 14 which connect the middle inclined grooves 12 and the second main groove 4. The inside middle land part 9 is composed of ribs 9A in which lateral grooves for connecting the second main groove 4 and the third main groove 5 are not formed. |
