摘要 |
In addition to dramatic improvement of on-ice performance, to balance with other performances. A pneumatic tire comprises, in a tread portion 1, at least two block groups GB1 to GB3 whose block number density is within a range of 0.003 pieces/mm2 to 0.04 pieces/mm2. At least one block group GB2 includes block 4 in which lateral length BW2 is larger that its longitudinal length BL2.
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