The Sram X-Sync 2 SL Direct Mount Chainring creates the smoothest, quietest, longest lasting and most efficient drivetrains we’ve ever made. 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. The longer, positive-rake tooth shape has been designed to work perfectly with the new Eagle™ chain to increase chain retention and overall pedalling efficiency, while decreasing friction, noise and wear. Sram X-Sync 2 SL Direct Mount Chainring Features Only Eagle™ drivetrains are system engineered to give every rider the ultimate 1x experience. The complete Eagle™ system — crankset, chainring, chain, shifter, derailleur and cassette — is designed, tested and proven to deliver the ultimate mountain bike drivetrain. Only Eagle™ offers the lightest, highest-performing, most durable system our engineers, professional athletes and customers asked for. Only Eagle™ is capable of revolutionizing the ride for all riders on every kind of terrain. Eagle™ technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents.