Parts such as the Front Wheel: Nut. Self-locking, Shaft, Pivot, Spacer, Bearing, Wheel Front (cast) are included in the Cw50rs 2006 2b15 Italy 1e2b1-300e1 Front Wheel parts fiche.
Of all the components used in this assembly the Wheel Front (cast) is the most expensive.
The Nut. Self-locking is the lowest priced item on this Front Wheel schematic.