Parts such as the F-9: Hub Sub Assy,rr, Tire,rr, Dust,21x37x5.5, Nut,hex 6mm are included in the Crf70f 2010 (a) Japan De02-230 F-9 parts fiche.
The Washer,plain, 6mm is the cheapest item from this partsfiche.
The F-9 is made up of components including this Wheel Sub Assy,rr which is the most expensive.