And what do you mean by clang,
how do you know it is coming from the rotor,
does it happen for both rotors.
Really need more information.
Yes, picking up and dropping my bike. Of course if it happens there it will happen on the trail as well.
Unless your brakes rotors are loose, it’s resonance, most likely your tyres are over inflated and/or your suspension is set wrong (too firm/over inflated)