Check out any of the thirty-one Rear Wheel components enlisted.
Some items from this specific schematic: Spacer(3gm), Nut. Self-locking, Sprocket, Driven (38t), Bolt(3gm).
The most reasonably priced component used on the Xjr1300 2000 5eaa Finland 105ea-300e1 Rear Wheel is the Bolt, Stud(1tx).