The component with the lowest price in the FRONT HUB schematic is the Seal-oil,bjn30427.
In this schematic the "Bearing-ball,#6004uuc" is used most often.
Parts such as the Front Hub: Collar,20x30x15.5, Bearing-ball,#6004uuc, Axle,fr, Seal-oil,bjn30427 are included in the En650djf Vulcan S 2018 Europe,middle East,africa Front Hub parts fiche.