| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing road noise and improving drainage.SOLUTION: A pneumatic tire comprises buttress parts 10 each present in a region of a half portion of a ground-contact end side in regions from a tread ground-contact end TE of the pneumatic tire to a tire maximum width position. At least one buttress circumferential groove 12 extending continuously in a tire circumferential direction is formed in the buttress part 10 at least on one side. The buttress circumferential grooves 12 each include: wide portions 14 having a predetermined groove width; and narrow portions 16 smaller in groove width than the wide portion 14, and the wide portions 14 and the narrow portions 16 are alternately and repeatedly arranged along an extension direction of the buttress circumferential grooves 12. |
