Joined: Jul 2007
Posts: 64
Likes: 0
From: Minneapolis, Minnesota, USA
Bikes: Schwinn World, MOAB, Varsity; Trek 820, Miyata Five-Twelve rebuild
You might have to run cable housing all the way to the deraileur, or somewhere you are missing a cable housing stop, as you should never have the problem you described. Make sure there is enough housing length between the aero bars and frame to allow for movement.