This system features the Original Baer 2-piston, pad guided caliper (PGC) mounted to a 13 inch, 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 inch Classic system fits most 17 inch or larger wheels.