Ken,
Is your chain too long? A shorter chain has usually solved any of my RD clearance challenges. It should pull the cage far enough away from the freewheel in order to give you the needed space. Try just folding in a few links to see if this will pull the RD far enough away.
I've not had any problems with the forum. Best of luck
__________________
Bob
Enjoying the GA coast all year long!
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www.freewheelspa.com