| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of enhancing traveling performance, in particular, operation stability, linear advancement stability and riding comfortability while enhancing durability of a bead part. SOLUTION: In the pneumatic tire 1 provided with at least an inner bead core 3A and an outer bead core 5A, the inner total number, i.e., the total number of the inner cords 3a is same as the outer total number, i.e., the total number of the outer cords 5a. The inner width number, i.e., the number in a tread width direction of the inner cords 3a is set more than the outer width number, i.e., the number in the tread width direction of the outer cords 5a. The inner diameter of the inner bead core 3A is set smaller than the inner diameter of the outer bead core 5A. COPYRIGHT: (C)2009,JPO&INPIT
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