| abstract |
To provide a rubber composition capable of suppressing mold contamination while maintaining wear resistance and wet grip properties, and a tire having a tread composed of the rubber composition. The diene rubber component contains a predetermined amount of at least one selected from the group consisting of stearic acid, a saturated fatty acid metal salt and a specific release agent, a specific resin, silica and a silane coupling agent. The present invention relates to a rubber composition in which the amount of unreacted silane coupling agent in the rubber composition before vulcanization is within a predetermined range. [Selection figure] None |