Assertion: pneumatic radial tire | /r/HasAspect | decreased weight
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Source sentences:
text: The present invention has been made under the above circumstances and an object of the present invention is to provide a pneumatic radial tire for passenger cars which can suppress deterioration in durability of a carcass which takes place due to buckling deformation when a steel cord is applied to the carcass of the pneumatic radial tire, which has a decreased weight due to application of a high strength steel cord and which exhibits improved riding comfort and controllability.