| 摘要 |
A tire comprises at least a bias carcass, a cushion rubber and a tread rubber viewing from an inside of a tread center zone in a radial direction of the tire, in which a sulfur content in the cushion rubber is 0.75-1.60% by mass. Also, a tire comprises at least a radial carcass, a belt, and, if necessary, a cushion rubber and a tread rubber viewing from an inside of a tread center zone in a radial direction of the tire, in which the belt is comprised of one or more belt layers each containing plural cords covered with a coating rubber and a sulfur content in the coating rubber and/or the cushion rubber is 0.75-1.80% by mass. Furthermore, a retread tire is formed from these tires by repetitive retreading.
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