| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire that can reduce a hollow resonance sound without deteriorating rolling resistance and without using a sound absorbing material.SOLUTION: In this pneumatic tire, tanδ at 60°C of a carcass cord and/or carcass coat rubber constituting an outer carcass layer 4a positioned on the outermost side in a sidewall part 2 of at least two carcass layers 4 is higher than tanδ at 60°C of the carcass cord and/or the carcass coat rubber constituting an inner carcass layer 4b positioned in an inner side than the outer carcass layer 4a in the sidewall part 2. |
