The component with the lowest price in the E-15 SHIFT DRUM SHIFT FORK schematic is the Bolt,hex.,6x28.
The E-15 Shift Drum Shift Fork assembly is constructed from several parts from which the Drum,gearshift is the most expensive.
twenty-four components are shown in this Xr500 1979 (z) Canada E-15 Shift Drum Shift Fork exploded diagram.