TIRE

A tread 4 of a tire 2 includes cap, intermediate, and base rubbers. The cap rubber has a highest loss tangent at 30°C, and the base rubber has a lowest loss tangent at 30°C. The tread 4 includes a center portion 44 and a pair of side portions 46. The center portion 44 includes an outer center portion 48, an intermediate center portion 50, and an inner center portion 52. Each side portion 46 includes outer and inner side portions 54 and 56. The outer center portion 48 is composed of the cap rubber, the intermediate center portion 50 and the outer side portions 54 are composed of the intermediate rubber, and the inner center portion 52 and the inner side portions 56 are composed of the base rubber. A tread surface T includes outer surfaces of the outer center portion 48 and the outer side portions 54.