Patent ID: 8791197

Claim:
A winter tire produced using a rubber composition, comprising: a rubber component including natural rubber and butadiene rubber; aromatic oil; silica; carbon black; and a silane coupling agent, wherein a total content of the natural rubber and the butadiene rubber is 30% by mass or more based on 100% by mass of the rubber component; a content of the aromatic oil is 12 to 85 parts by mass and a content of the silica is 12 to 85 parts by mass, each per 100 parts by mass of the rubber component; a proportion of the silica to 100% by mass of a total of the silica and the carbon black is 45% by mass or more; a content of the silane coupling agent is 1 to 20 parts by mass per 100 parts by mass of the silica; and the silane coupling agent includes a linking unit A represented by the following formula (1) and a linking unit B represented by the following formula (2) and has a content of the linking unit B of 15 to 60 mol %: wherein R 1 represents hydrogen, halogen, a branched or unbranched C1 to C30 alkyl group, a branched or unbranched C2 to C30 alkenyl group, a branched or unbranched C2 to C30 alkynyl group, or a group in which a terminal hydrogen of the alkyl group is replaced by a hydroxyl group or a carboxyl group; R 2 represents a branched or unbranched C1 to C30 alkylene group, a branched or unbranched C2 to C30 alkenylene group, or a branched or unbranched C2 to C30 alkynylene group; and R 1 and R 2 together may form a ring structure.