Is what your referring to a machining error? As it needs to be a very accurate/precise machining process? So it being the machinists fault and not the rotor itself?
When machining an FD rotor to 3mm, there have been many cases where machinists don't get it spot on and trash the rotors. But this has to do with the machinist you go to. Once you find the right machinist, trashing rotors is no longer a problem.
Just trying to figure out why. Thanks.
thewird
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