| Diameter [mm] | 320 |
| Height [mm] | 82.3 |
| Thickness [mm] | 22 |
| Minimum Thickness [mm] | 20 |
| Inner Diameter [mm] | 77 |
| Number of Holes | 6 |
| ECE R90 number | E11*90R02/06*59754*00 |
| Diameter [mm] | 320 |
| Height [mm] | 82.3 |
| Thickness [mm] | 22 |
| Minimum Thickness [mm] | 20 |
| Inner Diameter [mm] | 77 |
| Number of Holes | 6 |
| ECE R90 number | E11*90R02/06*59754*00 |