| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire having improved durability at its bead portions. SOLUTION: A tire-rim assembly in a non-loaded condition, in which a radial carcass has wind-up portions around bead cores terminated at the outer peripheries of the bead cores and the tire assembled with a applicable rim is filled with the maximum air pressure, has the tire provided with recessed portions in a surface area ranging from a position apart from a flange of the rim, as a starting end, toward the end of a tread.
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