i believe he or she said they are mavic open pros.

MinesAPint try removing some links from the chain and setting the singlator to push up instead of pull down. i read on the surly site that that's the way it's supposed to go if you want to avoid the chain skipping over the freewheel teeth. (it's not like it'll actually happen, but it'll allow more freewheel teeth to engage the chain, and i think it looks a little better too).