On this parts fiche the Bolt,stud 2,12x25 is the most specified component.
The most expensive part in this assembly is the Wheel Sub Assy,rr.
Parts such as the Rear Wheel: Washer,20x31.5x2, Valve,rim (pirell, Flange Sub Assy,r, Dust Seal,30x47x7 are included in the Cb600fa Hornet 2010 (a) European Direct Sales / Abs Rear Wheel parts fiche.