Parts such as the Middle Drive Gear: Nut (22u), Shim, Pinion, O-ring (2h7), Bearing (22u) are included in the Xvs650 2001 4vrd England 114vr-300e1 Middle Drive Gear parts fiche.
The Middle Drive Gear assembly is constructed from several parts from which the Houshing Comp. is the most expensive.
The component with the lowest price in the MIDDLE DRIVE GEAR schematic is the Bolt,flange (jn5).