well, since this was happening before i tightened the cable (there was slack in it, so i tightened it), i'm guessing it's not b/c the cable is too tight.

the shifter is moving when the RD moves outwards. the shifter slides back to it's position parallel w/ the downtube. so maybe it just needs more friction somehow. i'll play around w/ that, but if anyone else has any suggestions, i'd be grateful to hear them. thanks.

dan