It is the Black ring that the axle goes through. It replaces a normal left side spacer on a NON ABS model. The centric ring is actually part of the wheel bearing on Harley's.
(you can only just see the edge of it in the picture above)
“Watch out for everything bigger than you, they have the "right of weight"
Originally Posted by Dirty in all
Think Im going to unsubscribe from this thread before my wife divorces me because Im in the garage acting out scenarios trying to settle an argument between me and myself.