This is a better alternative of the center discs for the spool axis (by Miklos Kiszely) found here:
https://www.printables.com/it/model/407688-bambu-lab-p1-x1-x1c-x1cc-filament-spool-switcher-w
The original discs is design just for the BambuLab original Spool.
This item is made for other else spool (hole 49mm to 80mm), like paper esun spool/plastic giantarm/anycubic (spool that i actually got now) or other that you got.