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, and chainstay mounts Telescoping axle adapters allow use with any of the open or thru axle dropouts and dropout widths including Boost 110, Boost 148 and all fat bike axles Includes two facing cutter - one for IS mounts and one for Post and Flat mounts Precisioned machined parts Includes storage case Disc Brake Facing Set DT-5.2UPC/EAN/GTIN: 763477002969