Niner RIP RDO suspension bearing kit for frames manufactured from 2013 through 2016. Includes 6 pcs special Enduro Anglular contact bearing and 2 pcs Enduro MAX (full complement) sealed cartridge bearings. All bearings have Black Oxide anti-corrosion bearing race treatment. NOTE: There is frame crossover in 2016 when both V1.0 and V2.0 were produced. Please look at frame pics to be certain.