Giant Trance 27.5 Alloy suspension bearing kit fits 2015-2016 frames. Contains special offset bearings for rocker-arm-to-seat-stay connection. Has bearings for shock in rocker arm. Contains 12 pcs MAX bearings. 10 of the bearings have Black Oxide Race Treatment. NOTE: If black oxide bearings are not available, Enduro MAX bearings without the black oxide finish may be substituted.