Originally Posted by
redlude97
He said that assuming it is properly sized, that you wouldn't be able to go larger without a new chain, with an r7000 SS that has a capacity for a 11-30, a chain sized using small+small would work for anything from an 11-25 to an 11-30 without needing the length to be changed. Since the OP is using an 11-28, if the chain was sized using this method then they could go to 11-30 without changing their chain
This is how I understand it.