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That’s right, you don’t measure the thickness of a carbon ceramic rotor; you have to weigh it. Once the ceramic bond is gone, the rotor weighs less and you have to replace it. However, this only happens, typically, at the surface of the rotor and is why it never wears to a minimum thickness first. AP has created a new process of having the ceramic bonded to the individual carbon tubes that create the rotors. This allows the entire ceramic bond to be used instead of just the surface. So, not only will these rotors last far longer than OEM, they will actually stop better.


