| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire effectively reducing cavity resonant caused by a circular tube length of a toroidal tire interior and being one of the causes generating uncomfortable in-cabin noise without sacrificing other performances. SOLUTION: This pneumatic tire is featured by that it has a carcass 3 of at least one ply, a belt 8, and a tread part, and rigidity of the carcass 3 are different at a center ply part 12a positioned in a width center area 13 of a crown part 4 and at other ply portions 12b and 12c.
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