Join Date: Apr 2006
Location: Gainesville/Tampa, FL
Bikes: Trek 1000, two mtbs and working on a fixie for commuting.
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
OK, well in a single speed, the chain should not be as tight as you can make it.
Single speed bikes are quite peculiar in their workings, but the only thing I could suggest would be to make sure your chainline is good, but that is a moot point since it worked before, which would imply the chianoline was good enough.
Try loosing it up a little and see if it helps. Also, if it makes any weird noises that it didn't do before, post that too.