Of all the components used in this assembly the Fender, Front (blue) is the most expensive.
Parts such as the Front Fender: Nut, Washer, Cushion, Fender Side, Lock Washer are included in the Rg125a 1988 (j) (e04 E15 E17 E18 E30) Front Fender parts fiche.
The most reasonably priced component used on the Rg125a 1988 (j) (e04 E15 E17 E18 E30) Front Fender is the Screw(5x14).