An anchor bracket for use in a disc brake assembly comprises first and second arms, first and second windows, and first and second rotor channels. The first arm has a first rotor notch and the second arm has a second rotor notch. The first window is cast in the first arm and the second window is cast in the second arm. The first rotor channel is machined from the first rotor notch to the first window and the second rotor channel is machined from the second rotor notch to the second window.