Demi-anneau
| CODE | DIMENSION (mm) |
||
| Acier inox | Fibre de carbone | Aluminium | |
| IRF1295A.08 | IRF1295B.08 | IRF1295A.08A | 80 |
| IRF1295A.10 | IRF1295B.10 | IRF1295A.10A | 100 |
| IRF1295A.12 | IRF1295B.12 | IRF1295A.12A | 120 |
| IRF1295A.14 | IRF1295B.14 | IRF1295A.14A | 140 |
| IRF1295A.16 | IRF1295B.16 | IRF1295A.16A | 160 |
| IRF1295A.18 | IRF1295B.18 | IRF1295A.18A | 180 |
| IRF1295A.20 | IRF1295B.20 | IRF1295A.20A | 200 |
| IRF1295A.22 | IRF1295B.22 | IRF1295A.22A | 220 |
| IRF1295A.24 | IRF1295B.24 | IRF1295A.24A | 240 |