A sample from the products for the Gear Change Mechanism include: Bolt-flanged,6x20, Bolt-flanged-small, Rodend-tie,change Lev, Ball-steel,5/16.
Of all the components used in this assembly the Rodend-tie,change Lev is the most expensive.
The component with the lowest price in the Gear Change Mechanism schematic is the Ball-steel,5/16.