Patent ID: 8754158

Claim:
A studless tire for a passenger vehicle, comprising: a tread having a total sulfur content of 0.7% by mass or less and having a crosslink density of 2.0×10 −5 mol/cm 3 or higher, wherein the tread is made of a rubber composition containing a rubber component comprising a butadiene rubber content of 45% to 85% by mass based on 100% by mass of the rubber component, wherein the rubber composition further contains a mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid, wherein the amount of the mixture of the zinc salt of the aliphatic carboxylic acid and the zinc salt of the aromatic carboxylic acid is 0.2 to 10 parts by mass per 100 parts by mass of the rubber component, wherein the number of carbon atoms of the aliphatic carboxylic acid is 4 to 16, and wherein the aromatic carboxylic acid is at least one member selected from the group consisting of benzoic acid, ophthalmic acid and naphthoic acid.