twenty-six components are listed in the schematic for this G3tr Bushmaster 1969 Usa Canada Rear Hub/brake ('74-'75) .
A sample from the products for the Rear Hub/brake ('74-'75) include: Rear Sprocket 37t, Indicator,brake Shoe, Cam-brake, Lever-brake Cam.
Of all the components used in this assembly the Rear Brake Panel Assembly is the most expensive.