Originally Posted by hwttdz
absntr - As I have a spare road crank lying around I'd like to use that. You mention I can use outside or inside, is there any preference there?
Also I'd like to stick with the BB I have. So is there a lot of freedom in adjusting chainline by moving only the cog?
Outside purely for aesthetics but it'll come down to what chainline you can get.
Do you know how long the spindle of your BB is? The cog is in a set place - you can't adjust it. What you can adjust is the BB and the inner/outer position of the chainring.