The Bearing(17x24x20) is the most widely applied product in the RM85 2004 (K4) USA (E03) REAR SWINGING ARM (MODEL K5/K6) ( four times ).
The Rear Swinging Arm (model K5/k6) assembly is constructed from several parts from which the Swingingarm As is the most expensive.
Some items from this specific schematic: Swingingarm As, Nut 12mm, Defense,chain Guide, Bearing(17x24x20).