| 摘要 |
<p>A pneumatic radial tire (10), comprising: a carcass (12) toroidally extending across between a pair of bead cores (16); an outer side belt layer (20) provided outside of the carcass in a radial direction, in which a plurality of cords extending in a direction inclined with respect to a tire equatorial plane are buried in covering rubber; an inner side belt layer (30) provided between the outer side belt layer (20) and the carcass (12), in which a plurality of cords, made of the same material as that of the cords of the outer side belt layer, and extending in a direction crossing the cords of the outer side belt layer, are buried in covering rubber; and a tread provided outside of the outer side belt layer in the radial direction; wherein a total strength of the outer side belt layer (20) is larger than a total strength of the inner side belt layer (30), is provided.
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