On this parts fiche the Ball,steel.,8 is the most specified component.
Of all the components used in this assembly the Stem,stgr.*nh-1* is the most expensive.
Parts such as the Steering Stem: Thread,strg.hndl., Bolt-washer,8x40, Ball,steel.,8, Lock Comp., are included in the Cb400n 1980 (a) Germany / Full Power Type 1 Steering Stem parts fiche.