Anyone know anything about disc brakes?

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M_V in reply to @William.

Flattening or truing? If the latter then it's a pretty straight forward job with either the Park (or other brand) tool for it or a clean shifter.

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William. in reply to @M_V

Flattening or truing>

Well, the discs have a slight wobble in them in the same sense as a wheel rim, so they rub the pads slightly on the way round. What the difference between flattening and truing?

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M_V in reply to @William.

I'd call that truing do yeah, simple enough.

Thought they might be more out of shape than that or something.

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