| 摘要 |
Provided is a pneumatic tire including: a belt reinforcing layer (12) having an outside end portion in the tire width direction disposed outside in the tire width direction than a tire circumferential groove (16) disposed at the outermost side in the tire width direction, in which a buttress portion (19) being positioned on the outside of a tread (15) in the tire width direction and connecting a surface (15a) of the tread (15) to a sidewall (20) is formed to have, in section in the tire width direction, an outer surface in a concave shape with a depth shallow enough not to be set into the inside in the tire width direction from the outside end of the surface (15a) of the tread (15) in the tire width direction.
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