Originally Posted by
wahoonc
Depending on the SA hub you can flip the dished sprocket and there are some spacers that can be moved around the cog also.
Aaron

Originally Posted by
BruceMetras
Is the cog dished to the outside? If not, then you could flip it.. If yes, then you get to play with getting the cog closer to the chainstay with manipulation of nuts and washers.. and of course, re-centering the rear wheel..
+1. I would try this suggestion first. It's the most obvious answer and easy to remedy.
If you have questions, take a picture of the hub from the back and we can spot it for you.