Fits Giant Anthem SX frames manufactured from 2015 through 2017. Includes 12 pcs Enduro MAX (full complement) sealed cartridge bearings, 10 of which have Black Oxide anti-corrosion bearing race treatement. NOTE: If black oxide bearings are not available, Enduro MAX bearings without the black oxide finish may be substituted. 2 pcs are special MAX bearings with a flange and offset design. 2 extra bearings are included to cover a variation on some Giant frames.