Assertion: radial tire's durability | /r/CapableOf | extend the running distance
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Source sentences:
text: It is an object of this invention to provide a pneumatic tire with excellent run flat durability which is able to extend the running distance without problems occurring and while sufficiently maintaining safety in the puncture state, while being able to select the shape and material of the reinforcing rubber layer at an optimum level of performance within a conventional range.