Patent ID: 8293833

Claim:
A tire having a tread and a sidewall, said tread and said sidewall having a rubber composition comprising a rubber component and a silica component, said silica component comprising not less than 10 parts by weight of a first silica having an average primary particle diameter of 25 to 50 nm and not less than 5 parts by weight of a second silica having an average primary particle diameter of 20 nm to less than 22 nm based on 100 parts by weight of a rubber component, wherein the total amount of the first silica and the second silica is 15 to 150 parts by weight, wherein both the first silica and the second silica, which are prepared by a wet process, are a silicic acid hydrate, and wherein the rubber component of the rubber composition for the sidewall consists of natural rubber and a butadiene rubber.