Originally Posted by
CliffordK
Individual sprockets regularly show up on E-Bay. Keep an eye out.
Unfortunately Ultegra sprocket clusters are different than Dura Ace, and wouldn't be compatible.
So this is a different story than I've heard. Are you saying you can't replace a DA spider with the same spider from an Ultegra? I thought DA/Ultegra and 105 all fit the same freehub, no?