| 摘要 |
According to the present invention, a tire comprises: a rim; a bead mounted while surrounding the rim; a side wall connected to the bead; a sub-tread formed in an upper portion of the side wall, and made of a material having flexibility for curvature to be changed; and a plurality of tread blocks arranged on the sub-tread for a distance therebetween to be changed in accordance with the change in the curvature of the sub-tread. According to the present invention, the tire can be applied to various road environments at the same time. |
