| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of instantaneously and accurately determining a degree of abrasion of a tread part.SOLUTION: A pair of abrasion degree indication grooves 11 and 12 extending in parallel with each other are provided on a tread part 1. One abrasion degree indication groove 11 is formed so as to be constant in depth, and the other abrasion degree indication groove 12 is formed so as to be gradually changed in depth in a longitudinal direction.SELECTED DRAWING: Figure 3 |
