Originally Posted by anomaly
I would like the ability to ride fixed from time to time, so I am pretty set on not going the tensioner route. As well it has a crap ass Tiagra triple front, and that is def going to go. So, we are back to square one. What BB length do I need to have the correct chain line with a Surly rear hub?
Buy a crankset, install it on the old BB, check how much the chainline is off and get a new BB based on that. (Assuming of course your new crankset has the same taper as the old one)