Originally Posted by cyccommute
Squealing brakes are more of a problem with the brake arms than with the cable hanger. Avid cantis squeal like stuck pigs no matter what you do...or they will eventually.
I've read that about the Avids too. I've also read that the Tektro Oryx are a bit looser on the shaft than some of the other options such as the Shimano R550s. But the Tektros are about half the price and most people seem to have pretty good luck with them.