| US Size# | Diameter(mm) | Circumference(mm) | US Size# | Diameter(mm) | Circumference(mm) |
|---|---|---|---|---|---|
| 4 | 14.9 | 47 | 11 | 20.6 | 64.6 |
| 4.5 | 15.25 | 48 | 11.5 | 20.98 | 65.9 |
| 5 | 15.7 | 49.3 | 12 | 21.4 | 67.2 |
| 5.5 | 16.1 | 50.6 | 12.5 | 21.9 | 68 |
| 6 | 16.5 | 51.9 | 13 | 22.2 | 69.7 |
| 6.5 | 16.92 | 53.1 | 13.5 | 22.61 | 71 |
| 7 | 17.32 | 54.4 | 14 | 23.01 | 72.3 |
| 7.5 | 17.73 | 55.7 | 14.5 | 23.42 | 73.6 |
| 8 | 18.14 | 57 | 15 | 23.83 | 74.8 |
| 8.5 | 18.54 | 58.3 | 15.5 | 24.2 | 76 |
| 9 | 18.95 | 59.6 | 16 | 24.6 | 77.3 |
| 9.5 | 19.33 | 60.8 | 16.5 | 25 | 78.5 |
| 10 | 19.76 | 62.1 | 17 | 25.4 | 79.8 |
| 10.5 | 20.17 | 63.4 |
Measurements as supplied by the factory. Final specification is confirmed with your quote.
