Originally Posted by Speedub.Nate
So again, stick with Avid's setup instructions.
+1 Just read them myself last night so it's fresh in my mind. Caliper needs to be set 2/3 - 1/3 centering over rotor, then adjust inner and outer pads accordingly. If it's rubbing on side forces (turning, etc.) I'd suspect hub bearings and/or runout slop inside the hub. If it's a QR, try snugging up your cones (without overdoing it) slightly.