The Nut M10x1.25x10 is the cheapest item from this partsfiche.
nineteen components are shown in this Sbk999 2004 Usa (superbike 999) 9151-1642b 028 Rear Suspension exploded diagram.
Some items from this specific schematic: Ball Joint, Left, Screw Tceif M10x50x1.25, Spindle, Taper, Screw M10x1.25x127.5.