| 摘要 |
In a pneumatic radial tire comprising a belt of at least two belt layers, in which the belt comprises a maximum-width belt layer containing many cords slantly arranged with respect to an equatorial plane of the tire and a narrow-width belt layer arranged at the outside of the maximum-width belt layer in the radial direction and containing many cords arranged in an oppositely inclined direction to the cords of the maximum-width belt layer, the belt end separation is controlled by arranging a reinforcing layer containing many cords arranged in an oppositely inclined direction to the cords of the maximum-width belt layer so as to overlap with an outer end portion of the maximum-width belt layer located outward from an outer end. of the narrow-width belt layer in the widthwise direction thereof.
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