The Ball is the lowest priced item on this Footrest (model V/w/x) schematic.
Some items from this specific schematic: Rubber,footrest, Bolt,pillion Footrest, Washer(10.5x24x1.6), Washer (8.5x24x1.6).
With a quantity of twelve pieces, the Washer(12.6x24x1.9) is the most used part in the FOOTREST (MODEL V/W/X) diagram.