Specialized Enduro suspension bearing kit for all "Enduro" frames manufactured in 2020 and 2021. Includes 20 pcs Enduro MAX (full complement) sealed cartridge bearings. 15 pcs of the MAX bearings are treated with 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. The bearings supplied in this kit include the 2 front shock mounting bearings. The included 20 pcs are in a total of 6 different cartridge sizes.