Brembo PISTA semi-floating disc mounting hardware pack: a set of D-shaped bobbins (8mm flange) for a 10-hole two-piece motorsport rotor. The bobbins float the rotor ring on the aluminum hat, allowing controlled radial and axial movement to manage thermal expansion. Genuine Brembo PISTA service hardware.
| Type | Semi-floating disc bobbin (D-bobbin) hardware pack |
| Line | PISTA |
| Flange | 8mm |
| Mounting | 10-hole |
| Sold As | Hardware pack |
| Part Number | 915503 |
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