Billet aluminum with classic fin or smooth designs. Choice of three finishes: clear anodized, chrome or black contrast. Raw metal on black contrast calipers is anodized for a long-lasting high-quality finish. 2-piston designs for various H-D models (including rigid frames). Hanger brackets and brake pads included. Made in the USA NOTE: The OLD-STYLE Wagner and Kelsey-Hayes (die-cast aluminum OEM) on rear applications have a 3/4in. bore master cylinder and WILL NOT WORK CORRECTLy. NOTE: Not recommended for use with imported stainless steel rotors. NOTE: Requires use of 5/8in. bore master cylinder.