With a quantity of two pieces, the Roller,4x6 is the most used part in the GEAR CHANGE DRUM/FORKS ('80-'81 diagram.
The component with the lowest price in the GEAR CHANGE DRUM/FORKS ('80-'81 schematic is the Bolt.
This Drum Assy,gear Shift is the most expensive of the items that make up this Gear Change Drum/forks ('80-'81 assembly.