The component with the lowest price in the REAR HUB schematic is the O Ring,60mm.
Parts such as the Rear Hub: Collar,rr Axle,lh,l=1, Damper,shock,rr Hub, Ring-snap,rr Axle, Ring,snap,56.2m/m are included in the Zx1000wkf Z1000sx 2019 Europe,middle East,africa Rear Hub parts fiche.
With six applications this Stud,10x19 is the most specified part.