| 摘要 |
PROBLEM TO BE SOLVED: To restrain uneven wear on a shoulder block due to turning driving. SOLUTION: A chamfer 17 chamfering width W between a lower ridge edge KL crossing a groove wall 16 and an upper ridge edge KU crossing a tread surface 2S of which increases toward the later grounding side from the tire first grounding side is formed on the groove wall 16 of the tire equatorial side of the shoulder block 12. Chamfering width Wo on a block end on the later grounding side is more than two times of chamfering width Wi on a block end on the first grounding side and less than 8.0 mm. |
