Rally-rated crankset brings Enduro rated strength at an XC weight Forged 7050 AL construction optimizes stiffness without added weight Boost compatible 24mm EXI spindle Proprietary Cinch system removable spider can convert between existing chainring standards and Direct Mount spiderless rings, and even remain flexible to future developments Choose a spider or use a Race Face Direct Mount Narrow Wide ring (sold separately) *BB sold separately, use RF2925 for English 68/73mm shell 632g (32T direct mount alloy, w/o BB)