Originally Posted by bikingshearer

Did the seller put braces in the dropouts? From te one photo, it looks like he may not have. If that's the case, check the dropouts and the alignment very carefully, as it is easy for the dropouts to get bent if not properly braced (which is easy to do but easy for a rookie to overlook).

If there is any question at all about alignment, get the deal undone. You cannot safely rebend aluminum.