Fits all Specialized Enduro frames manufactured from 2013 through 2016. Includes Enduro SX frames. For 26-inch and 29-inch wheeled frames. Includes 12 pcs Enduro MAX (full complement) sealed cartridge bearings with Black Oxide anti-corrosion bearing race treatment. NOTE: If black oxide bearings are not available, Enduro MAX bearings without the black oxide finish may be substituted.