The component with the lowest price in the CRANKSHAFT/PISTON schematic is the Bolt,connecting R.
Parts such as the Crankshaft/piston: Nut,connectiong R, Ring Set Piston O, Ring Set,os 0.25, Piston,r(o/s 0.25 are included in the Gl1500c Valkyrie 2000 (y) England Crankshaft/piston parts fiche.
This Shaft Comp,crank is the most expensive of the items that make up this Crankshaft/piston assembly.