| 摘要 |
A tread for a pneumatic tire comprising two inner ribs extending in the circumferential direction of the tire and, to both sides thereof, tiers or block rows extending in the circumferential direction of the tire. The block rows and ribs are each separated from one another by a respective zig-zag configured circumferential groove. Each leg of the intermediate circumferential groove encloses, with the circumferential direction of the tire, an angle alpha of approximately 30 DEG to 50 DEG , whereas the legs of the lateral circumferential grooves enclose, with the circumferential direction of the tire, an angle beta of approximately 55 DEG to 65 DEG and the lateral circumferential grooves are each wider than the intermediate circumferential groove.
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