| 摘要 |
A pneumatic tyre tread in which a reinforcing part 7 is provided on front surface side walls 52, 53 of a block 5 of a tyre tread 1 in order to improve performance on ice while improving performance on snow, and a pneumatic tyre having such a tread, wherein the difference G between a distance Rt measured from the tyre axis of rotation to the outermost side of the upper surface of the block and a distance Re likewise measured from the tyre axis of rotation to two front surface edges is between 0.2 mm and 2.0 mm in a new article, the distance from the axis of rotation to any point in the region of the block upper surface excluding the front surface edge is greater than Re, and the distance between the portion at the outermost side of the reinforcing part measured in the radial direction and the front surface edge is no greater than 2.0 mm. |
