| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire which can radiate heat well without deteriorating the hardness of the tire and driveability even if a tire shoulder part is largely deformed to generate the heat in the use under high severity such as a circuit run, maintain an excellent driveability, and continue the use under high severity. SOLUTION: The pneumatic tire is equipped with a block-like land part having a circumferential length of 1.4% to 4.0% of the total circumferential length and a width direction length of 5.0% to 25.0% of the ground contact width. The pneumatic tire is equipped with a recessed part which is an arch shape projecting toward the tire equatorial plane and does not part the circumferential end of the block-like land part from the starting point of the end part of the width direction outside of the block-like land part, and a lot of irregularity inside the recessed part. COPYRIGHT: (C)2006,JPO&NCIPI
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