| 摘要 |
A pneumatic tyre (1) comprises a pair of sidewall portions (3) each provided on the axially outer surface thereof with a side protector (11), the side protector comprising at least two concentric ribs and at least one circumferential groove (12) defined therebetween, the circumferential groove being composed of a series of deep parts (12a) and shallow parts (12b) which alternate in the tyre circumferential direction. <IMAGE> |
