Originally Posted by spinconn

Looking for a used bike online and have not done this before. There will be no test ride opportunity and one question I have is on the specs I should look at to determine how relaxed, or upright a position the geometry will afford. I know stack and reach are two specs to consider. Any other specs I should look at to judge that one specific issue?

Also, other than the classifieds here, and used bikes listed on TheProCloset, are there any other good sources for online used bikes?