A sample from the products for the F-9 include: Seal,dust,20x32x5, Valve,rim (chengs, Nut,flange 8mm, Bolt,stud,8x22.
The F-9 assembly is constructed from several parts from which the Wheel Sub *nh35m* is the most expensive.
On this parts fiche the Bolt,stud,8x22 is the most specified component.