| abstract |
15 to 55 wt% of a cyclic olefin ring-opened polymer containing a terminal modifier having a glass transition temperature of -120 to -90°C, a glass transition temperature of -60 to -10°C, and an aromatic vinyl monomer unit content of more than 30 wt% , 50% by weight or less of a solution polymerization conjugated diene polymer containing 45 to 85% by weight of a solution polymerization conjugated diene-based polymer containing, silica, and a silane coupling agent containing a monosulfide group and/or a thiol group, the rubber component Tires in which the content of the silica is 30 to 200 parts by weight based on 100 parts by weight, and the content of the silane coupling agent containing the monosulfide group and/or thiol group is 0.3 to 20 parts by weight based on 100 parts by weight of the silica A rubber composition for use is provided. |