This GEAR SHIFTING assembly utilises four Pin(4x15.8)(s) - the highest specified component.
The most reasonably priced component used on the Zr50k 1981 (x) (e22) Gear Shifting is the Pin(4x15.8).
Some items from this specific schematic: Fork,gear Shift No.1, Screw, E Ring, Stopper,gear Shift Cam Neutral.