Fits all Specialize Stumpjumper frames from 2012 through 2015. For carbon and alloy frames. For 26-inch and 29-inch models. Fits EVO models. Includes 13 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.