[dentheman]

Originally Posted by Water Warrior

Or you could just buy a self locking nut and throw the cotter pin away. Save spare cotter pins for riders in distress on the road.

My experience with self-locking nuts on aircraft is that they are for one time use, once it has been loosened to make some adjustment it looses some of its locking ability and must be replaced. Is this 'overkill' for a motorcycle?