Some items from this specific schematic: Circlip-type-c,12mm, Pin,gear Chnge Drum, Circlip-type-c,30mm, Roller,4x6.
The Gear Change Drum & Forks is made up of components including this Drum-assy-change which is the most expensive.
In this schematic the "Pin,gear Chnge Drum" is used most often.
