| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for a tread capable of improving fuel consumption property, wet grip performance and abrasion resistance in a good balance and to provide a pneumatic tire using the same.SOLUTION: The invention relates to a rubber composition for a tread containing a rubber component and silica, and has the content of a specific conjugated diene-based polymer of 5 mass% or more in 100 mass% of the rubber component, and the silica is one having an average length Wof 30 to 400nm between branched particles Z-Z containing branched particles Z when particles having 3 or more adjacent particles for one particle is defined as branched particles Z, and the content of the silica is 5 to 150 pts.mass based on 100 pts.mass of the rubber component. |
