| 摘要 |
A tire with improved straight drive performance is provided to minimize fluctuation of tread blocks and to improve quality of the tire by reinforcing the tread blocks with reinforcing rubbers having different physical properties. A tire with improved straight drive performance includes a tread(50) formed with a plurality of tread blocks(53) by a plurality of grooves(51). The tire has reinforcing rubbers(59) inserted in the circumferential direction of the tread. The reinforcing rubbers have physical properties different from the tread in the tread blocks. The reinforcing rubbers have greater hardness than that of the tread.
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