In this schematic the "Bearing(30x40x30)" is used most often.
A sample from the products for the Rear Swinging Arm (model K5) include: Spacer,rear Swing Pivot,center, Swingingarm Assy,rr, Plate,rr Swing Arm Brkt, Washer(25.2x42x3.2).
The component with the lowest price in the REAR SWINGING ARM (MODEL K5) schematic is the Bolt(6x20).