True, but the jockey wheels / cages on the newer mechs for 10/11 speed chains may not be happy with your choice of chain for your freewheel. You'll probably be using an 8-speed chain which will probably be ok on a 9-speed derailleur.
@rodabod started
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True, but the jockey wheels / cages on the newer mechs for 10/11 speed chains may not be happy with your choice of chain for your freewheel. You'll probably be using an 8-speed chain which will probably be ok on a 9-speed derailleur.