The component with the lowest price in the REAR ARM schematic is the Bolt, With Washer(55k).
This Rear Arm Comp is the most expensive of the items that make up this Rear Arm assembly.
Parts such as the Rear Arm: Washer, Plate(33y), Bolt, With Washer (30x), Cover, Bolt, Flange(3hp) are included in the Dt125re 2005 1d02 France 1d1d0-351f1 Rear Arm parts fiche.