Rotor thickness minimum 4-piston KH?

mvh said

I bought a pair of new crossdrilled slotted rotors for $83 last year, so it really isn't worth risking your ride on worn-out rotors.

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Can you tell me where you purchased these? Did they come with the hub or did you transfer your own hub? Seem like the hub and rotor would need to be balanced as a unit. Thanks