The most expensive part in this assembly is the Drum,rr Sprocket Mounting.
Parts such as the Rear Wheel: Tire, Rear (120/80-17 615) (cunlop), Washer(17x30x3), Adjuster, Chain, Plate,chain Adjuster Guide are included in the Rg125u 1992 (n) (e02 E04) Rear Wheel parts fiche.