| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for a cap tread of a truck and bus tires.SOLUTION: There is provided a rubber composition which comprises a rubber component, silica and a resin having a softening point of -60 to 80°C, wherein the content of a conjugated diene-based polymer having a conjugated diene-based monomer unit, a monomer unit represented by the formula (1) and a monomer unit represented by the formula (2) is 5 mass% or more in 100 mass% of the rubber component. |
