Shimano BR-R317 Mechanical Disc Brake Caliper Front BlackThe Shimano BR-R317 Mechanical Disc Brake Caliper come available in front and rear versions. These are great with cable actuated Short Pull Drop-Bar or Flat-Bar road levers. Compatible with G01S Resin pads, and the Rotor is NOT included. This is the post-mount 74mm version.689228490222