Of all the components that make up this Rear Swinging Arm (model R/s) the Bolt 6x20,with Plain Washer has the lowest price.
Some items from this specific schematic: Screw 6x12, Spacer,rr Swgarm Pivot Berring, Bolt 6x20,with Plain Washer, Bearing(25x33x35).
This REAR SWINGING ARM (MODEL R/S) assembly utilises two Bearing(25x33x35)(s) - the highest specified component.