| Outside diameter (mm) | *270 |
| Inside diameter (mm) | - |
| Side | L |
| Thickness (mm) | 3,0 |
| Hole number | 6 |
| Hole diameter (mm) | 6,5 |
BETA (9)
| Model | Year | Cylinder capacity (cc) | Position |
|---|---|---|---|
| CROSSTRAINER | 15/18 | 300 | FRONT |
| ENDURO / RR 2T | 12/19 | 250 | FRONT |
| ENDURO / RR 2T | 12/19 | 300 | FRONT |
| ENDURO / RR 4T | 13/19 | 350 | FRONT |
| ENDURO / RR 4T | 15/19 | 430 | FRONT |
| ENDURO 2T | 18/19 | 125 | FRONT |
| RR RFI ENDURO / RACING | 15/18 | 480 | FRONT |
| XTRAINER | 17/18 | 250 | FRONT |
| XTRAINER / OIL MIX | 15/18 | 300 | FRONT |