With a quantity of two pieces, the Pawl is the most used part in the GEAR CHANGE MECHANISM diagram.
The most reasonably priced component used on the Kx450hjf 2018 Europe Gear Change Mechanism is the Nut-hex,6mm.
Some items from this specific schematic: Bolt,torx, Pin,8x39, Spring,position Lever, Bolt,flanged,6x14.