On this parts fiche the Roller 4x19.8 is the most specified component.
Parts such as the Gear Shift Fork - Drum: Holder,shaft, Bolt,hex., 6x16, Switch,neutral, Plate,stopper are included in the Cb750k2 Four France Gear Shift Fork - Drum parts fiche.
The sub assemblies and components that make up this Gear Shift Fork - Drum include this Drum,gear Shift, the most expensive part.