US | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
---|---|---|---|---|---|---|---|---|---|
diameter(mm) | 15.7 | 16.5 | 17.4 | 18.2 | 19 | 19.9 | 20.7 | 21.5 | 22.3 |
perimeter(mm) | 49 | 52 | 55 | 57 | 59.8 | 62.4 | 65 | 67.5 | 70 |
Material: titanium steel
US | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
---|---|---|---|---|---|---|---|---|---|
diameter(mm) | 15.7 | 16.5 | 17.4 | 18.2 | 19 | 19.9 | 20.7 | 21.5 | 22.3 |
perimeter(mm) | 49 | 52 | 55 | 57 | 59.8 | 62.4 | 65 | 67.5 | 70 |
Material: titanium steel