SRAM X-SYNC2 Eagle Direct Mount Cold Forged Chain RingsSRAM X SYNC2 EAGLE DIRECT MOUNT COLD FORGED CHAIN RINGS The radical new look and feel of our X SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X SYNC chainrings. We subjected every size of chainring to untold environmental and mechanical tortures, abuse and neglect, in both lab and real world settings, to come up with a chainring that would augment the Eagle