| Version | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Diameter | 573.8 mm | 572.8 mm | 571.8 mm | ||||||
| Wire No. | 51 | 57 | 60 | 51 | 57 | 60 | 51 | 57 | 60 |