This system features the "Original" Baer 2-piston, pad guided caliper (PGC) mounted to a 13", 1-piece slot, drill, zinc plated integral hub rotor. The PGC caliper comes in a red powder coated finish with a black logo, includes dust/weather seal's and uses the popular D412 pad type. The system includes spindles (not installed), premium bearings with races pre-installed, dust caps, mounting brackets, stainless braided hoses and all necessary hardware making for an easy assembly. The 13" "Classic" system fits most 17" or larger wheels.