The X-SYNC 2 Eagle steel chainrings are the perfect replacement ring for the cost-conscious riders with added durability of steel. The longer, positive-rake tooth shape has been designed to work with Eagle chains to increase chain retention and overall pedaling efficiency, while decreasing friction, noise and wear. FEATURES: Stamped Steel ring construction Eagle technology provides an expanded, optimum, gear range for 1x drivetrains X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise Designed to be used with Eagle 12-speed chains SRAM Direct Mount Compatibility SPECS: Round or Oval: Round Material: Steel Chainline/Hub Compatibility: 141/148 Boost Hubs Direct Mount Type: Direct Mount SRAM Drivetrain Speeds: 10 , 11 , 12 Offset: 3mm