Originally Posted by
dynaryder
the rotor should be dead center in the middle of the caliper. If closer to one side than the other,the caliper needs to be moved over.
.
Actually, this is incorrect. While Shimano doesn't spell it out well, SRAM does in the BB7 instructions. It's basically a 1/3-2/3 rule. If you look at step 5 here it's spelled out..
http://files.dahon.com/support/manua...es_bb5_bb7.pdf