Some items from this specific schematic: Spacer, Reservoir, Brake Fluid, Pad Pins Overhaul Set, Bolt, Brake Hose.
The most reasonably priced component used on the M620 2003 Usa (monster 620) 9151-1461b 029 Rear Brake is the Copper Gasket 11.9x8.2x2.
With a quantity of four pieces, the Copper Gasket 11.9x8.2x2 is the most used part in the 029 REAR BRAKE diagram.