Originally Posted by
Iride01
No, you just can't see the gap that's there because it's so tiny.
And even if there is rub, it doesn't mean that it's making noise that one will hear while riding or that it is wasting even a fraction of a watt of power.
true. But if you do have audible brake rub like Paradox, aligning the calipers with a visible gap is a surefire way of eliminating it (assuming a straight rotor)