The component with the lowest price in the PILLION*PDBG/PBK* schematic is the Nut,u.,6mm.
Parts such as the Pillion*pdbg/pbk*: Nut,u.,6mm, Stay Kit, Pillion Seat Kit Alc are included in the Cb1000r 2011 (b) England / Mph St Pillion*pdbg/pbk* parts fiche.
The sub assemblies and components that make up this Pillion*pdbg/pbk* include this Pillion Seat Kit Alc, the most expensive part.