Check out any of the twenty Rear Fender components enlisted.
Some items from this specific schematic: Nut,spring,5mm, Nut,flange,6mm, Bolt,flange 6mm, Bolt,flange,6mm.
With all the components that make up the NSR125R 2000 (Y) ITALY / LS REAR FENDER assembly. The Nut,flange,6mm is the most frequently specified with five applications.