Join Date: Jun 2001
Location: living in the moment
Bikes: 2005 Litespeed Teramo, 2000 Marinoni Leggero, 2001 Kona Major Jake (with Campy Centaur), 1997 Specialized S-Works M2, 1992 Specialized Rockhopper
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i run centaur, and love it. like arsbars says, campy shifters have some distinct advantages. two i'd like to add are how robust they are -- this is tough hardware -- and the fact that you don't have to swing the rake lever to shift. this is not a big deal on the road, but in a tight singletrack descent, i think there is a great advantage to having the shift and brake functions separate.
some other things... the front non-indexed shifting is great if you're running a double. it's very easy to tune your chainline when things get mucky, and the brake-lever brake qr's have saved my butt more than once. you can open the brake on the fly, and still be able to modulate.
the downside to campy? the bb/crank is really unsuited to the sport. the square taper doesn't give you as much stiffness as you'd probably like grinding through the much, and the campy bb's are bit fragile for my taste. the other problem is finding a campy crankset with cyclo-cross gearing. you can always buy an aftermarket 48t big ring, but your small ring can only be 39t.
i would not use 10 speed in a race situation unless you're supported. the cogs are very closely packed, and i would be worried about shifting problems in bad conditions.
one more thing. i beat the piss out of my rig every fall. my own opinion is that chorus is a bit too nice and pretty to undergo that kind of abuse.