The Ball,steel.,6 is the most widely applied product in the NSR125R 1992 (N) PORTUGAL / KPH STEERING STEM ( forty-two times ).
Some items from this specific schematic: Ball,steel.,6, Stem Comp.,s*nh1*, Race Strg.bottom, Dust-seal.
The lowest price component in this Steering Stem parts-list fiche is the Ball,steel.,6.