The DT-5.2 is engineered and built to accurately face front or rear disc brake mounts so they are precisely aligned to the rotor. - Faces any IS Mount, Post Mount, or new Shimano Flat Mount, including low clearance, chainstay mounts - Telescoping axle adaptors allow use with any configuration of open or thru-axle dropouts and dropout widths (including Boost 110, Boost 148 and all fat bike axles) - Includes two facing cutters: IS Mounts Post and Flat Mounts - Includes storage case