Focus Sam Aluminum suspension bearing kit for frames produced from 2015 through 2018.. Includes 10 pcs Enduro MAX (full complement) sealed cartridge bearings, all of which have Black Oxide anti-corrosion treatment on the bearing races. Please note the linkage style displayed in the pics and be sure this matches your frame. NOTE: If black oxide bearings are not available, Enduro MAX bearings without the black oxide finish may be substituted.