corona sram eagle x sync direct mount 3mm offsetThe radically new look and feel of our X SYNC 2 Eagle chainring is the direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X SYNC chainrings. The longer tooth shape has been designed to work perfectly with the new Eagle chain to increase chain retention and overall pedaling efficiency, while reducing friction, noise, and wear. FEATURES The X SYNC 2 chainring design increases chain retention,