Originally Posted by catatonic

Cables can creak as well. Easy way to find out is to take a pipe clamp and run it over the end of your bar tape, thus clamping the cables down.

If it stops, then next time you wrap your bars, you should use more electrical tape to secure your cables. I generally put a wrap right after the brifter, and then before, middle, and after the bend, then between the bend and the end of the grip, and then at the end of the grip.

It's pretty overkill, but noise annoys me to no end, so I will go overboard to assure I have none.