The component with the lowest price in the GEARSHIFT DRUM schematic is the Bolt,flange,6x28.
Some items from this specific schematic: Bolt,special,7x17, Washer, Lock, Fork,l.gearshift, Bolt Flange 6x18.
The Gearshift Drum is made up of components including this Drum Comp.,gearsh which is the most expensive.