The F-2 is made up of components including this Pipe Comp*nh146m* which is the most expensive.
On this parts fiche the Bolt,flange 6x25 is the most specified component.
Parts such as the F-2: Pipe Comp*nh146m*, Bridge Com*nh35m*, Nut E, Stem, Washer are included in the Crf70f 2007 (7) De02-200 Japan (jdm) F-2 parts fiche.