On this parts fiche the Ball,steel.,6 is the most specified component.
Parts such as the Steering Stem: Ball,steel.,6, Race Strg.bottom, Stem Comp,st*nh1*, Washer, Dustseal are included in the Cb250 2004 (4) Hong Kong Steering Stem parts fiche.
The component with the lowest price in the STEERING STEM schematic is the Ball,steel.,6.