摘要 |
A tread section 16 is formed with plural circumferential direction main grooves extending around a tire circumferential direction, and is formed with a first rib 34 and a second rib 38 between the plural circumferential direction main grooves. The first rib 34 and the second rib 38 are formed with first arc shaped faces 34A-1R, 38A-1R that have arc shapes about centers within the ribs. The first rib 34 and the second rib 38 are also formed with second arc shaped faces 34A-2R, 38A-2R that are respectively formed continuously to the first arc shaped faces 34A-1R, 38A-1R, and that are have smaller radius of curvature than the first arc shaped faces 34A-1R, 38A-1R. |