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Anyone know some tricks to aligning a flat mount caliper which has little to no wiggle room? Rear caliper bolts on my wife's caadx frame have little scope for adjustment, the caliper just bolts into the same place each time once it's torqued down.
Swapped a rear wheel and the disk is sitting slightly further out and rubbing badly - some way of shimming the rotor would work but it's a centre lock in this case so prob not possible.
I always align my flat-mount calipers with one of those "disc brake alignment tool" things - the little metal shims that go over the rotor. Shim on rotor, rotate between pads, hold down brake lever tight, torque up bolts, then rotate wheel out and remove shim and... the pad is roughly central. I've not always had much luck with the "just yank the brake lever down and tighten up" method without the shim.
Might be worth checking the mounting surfaces, quite often if they've been overtightened they can deform a little, and effectively form a key that pulls the caliper back to the same place when tightened. A spot of CAREFUL filing can usually sort it.