Heavy-duty tire

Abstract

Provided is a heavy-duty tire excellent in overall performance of fuel efficiency and ride comfort at a high speed. The above-described tire is a heavy-duty tire comprising a tread part, the tread part comprising a rubber layer composed of a rubber composition, the rubber layer comprising a tread surface, the rubber composition comprising: a rubber component comprising a predetermined amount of an isoprene-based rubber; and a filler comprising a predetermined amount of silica, wherein a land ratio of the tread part in a tread ground-contacting surface is greater than 74.0%, and wherein AIR ASIL, and L satisfy the following inequality (1), A IR × A SIL × L / 1000 > 408 ( 1 ) where AIR represents a content, in % by mass, of the isoprene-based rubber in the rubber component, ASIL represents a content, in % by mass, of the silica in the filler, and L represents the land ratio, in %.

Dependencies are inferred from the claim text.