Tire

The utility model provides a tire which is provided with a tire section, and the tire section comprises two surface body parts which are in mirror symmetry relative to a preset symmetric line; a round chamfer is arranged between an outer contour line and a bottom contour line of the surface body part, an arc line section of the round chamfer is provided with a first connecting end point and a second connecting end point, and an intersection point of a tangent line passing through the first connecting end point and a tangent line passing through the second connecting end point is a preset point; the first axis, the second axis and the third axis are parallel to the central axis of the tire; the first axis passes through a preset point; the second axis passes through the highest point of the top of the surface body part; the vertical height between the third axis and the first axis is equal to the vertical height between the third axis and the second axis; and the vertical height between the top end of the turn