| abstract |
(57) [Summary] [Object] An object of the present invention is to provide a rubber composition satisfying not only abrasion resistance and fracture characteristics but also wet skid characteristics, ice skid characteristics and dry grip characteristics. According to the present invention, at least 30 parts by weight of a rubber component comprising 100 parts by weight of a specific branched styrene-butadiene-based copolymer (A) and 15 to 100 parts by weight of a specific low-molecular-weight butadiene-based polymer (B) is used. %, And the Mooney viscosity (ML 1 + 4,100 ° C.) of the rubber component is 30 to 100. |