| 摘要 |
PROBLEM TO BE SOLVED: To improve maneuverability of a tire on a dry road surface and maneuverability on a wet road surface by increasing drainage performance of the land part.SOLUTION: A tire 1 includes a land part 20 formed in a tread part 2. The contact area of the land part 20 of a ground plane 30 is formed in such a convex shape that a plurality of curve parts 31 to 33 having specified curvatures Rc, Re and Rm are mutually connected smoothly, at least in the cross section of the land part 20 in the tire width direction H. With the curvature of the central curve part 31 including the central part 35 of the ground plane 30 represented as Rc and the curvature of the end curve part 32 including the end part 34 of the ground plane 30 represented as Re, the tire meets the condition Rc<Re. The curvature Rm of the curve part 33 located between the central curve part 31 and the end curve part 32 is between Rc and Re. |
