With a quantity of two pieces, the Bearing-roller,h1-cap is the most used part in the FRAME diagram.
Some items from this specific schematic: Nut,cap,22mm, Frame-comp,f.m.gray, Bearing-roller,h1-cap, Washer,steering Stem.
The Frame is made up of components including this Frame-comp,f.m.gray which is the most expensive.