| 摘要 |
A tire 5 having a plurality of tread layers 10, 12, 14 wherein the outer layers have good cut, wear and tear resistance and the inner layers have good heat resistance. The tire includes a carcass 16 having a crown portion 20, belts 26, sidewalls 18 and circumferential beads 22. A shoulder portion 28 is the area most sensitive to heat buildup. |
