Patent ID: 9248702
Filing Date: 2016-02-02
CPC Classification: B60C,Y02T

Claim Text:
1. A two-wheeled automotive vehicle tire which includes a tread portion having an outer surface that extends so as to be curved such that the outer surface is convex outward in a tire radial direction and is arc-shaped, wherein a tread rubber disposed in the tread portion includes: a center rubber disposed in a region including a tire equator as a center thereof; shoulder rubbers disposed on tread end sides; and middle rubbers disposed between the center rubber and the shoulder rubbers, respectively, the center rubber includes a center cap layer of the outer surface of the tread portion; and a center base layer disposed inward of the center cap layer in the tire radial direction, a loss tangent of the center base layer is less than a loss tangent of each of the center cap layer, the middle rubbers, and the shoulder rubbers, and a width of the center base layer in a tire axial direction is greater than a length of a ground contact surface in the tire axial direction during straight running, and ranges from 50% of a length from the tire equator to a tread end along the outer surface of the tread portion to 95% thereof, wherein a complex elastic modulus E*