This Plate,rr Frame,r is the most expensive of the items that make up this Rear Frame (vl1500bl4 E33) assembly.
Some items from this specific schematic: Washer(10.5x19x2), Frame,rr,l, Bracket Comp,helmet Lock, Washer(8.5x18x1).
On this parts fiche the Bolt(10x35) is the most specified component.