Somewhat eclipsed by the announcement of the
new Shimano 105 Di2 group set, Shimano also announced new disc brake rotors that are less prone to warping...
New SHIMANO Rotors Deliver Quieter, More Consistent Braking Performance
I wonder how these rotors compare to XTR rotors in terms of their ability to not warp. I'm running XTR rotors on my Ultegra Di2 setup and they do make noise after hard breaking, like when there's a stop sign at the bottom of a long descent. The XTR rotor
carriers are already more "beefy" than the road discs. Perhaps a "Dura Ace vs XTR rotor warp comparison" could be a future GCN episode.
