Originally Posted by
motosonic
After a lot of debate, I prefer Alloy.. simply for the braking surface. The RS81's I'm currently riding are a great combination of both, however. Call me weird, but I just don't trust carbon braking surfaces. (For rim brakes of course.)
Braking on carbon has greatly improved. Where do you ride? Unless you are descending Alpe d'Huez or ride in wet conditions often...I am not sure there would ever be an issue.