The Nut is the cheapest item from this partsfiche.
Some items from this specific schematic: Washer 8.2x20x1, Pin Pedal, O-ring, Footrest, Front Lh.
The Screw M8x25 is the most widely applied product in the SS800S 2003 EU (SUPERSPORT 800S) 9151-1671A 020 L.H. FOOT RESTS ( four times ).