SRAM Chainring X-SYNC 2 DM 3mm Offset Boost Eagle The chainring, improved. A key part of the SRAM Eagle(TM) ecosystem, the SRAM X-SYNC 2 DM Boost Eagle Chainring is designed with top-level SRAM innovation, making it more than your average chainring. This chainring uses X-SYNC 2 technology, an aggressive tooth design that has improved chain retention on a dedicated 1x setup, as well as increased chain life, and a smoother pedaling feel. This chainring is designed for the unique demands of a 1x drivetrain, and is compatible with SRAM Eagle(TM) 12-speed chains for the best performance and reliability. A direct mount design makes installation quick and secure, while a Boost offset makes it compatible with frames that feature Boost spacing. Features X-SYNC 2 technology offers improved chain retention, less wear, and a smoother pedaling feel Designed for used with SRAM Eagle(TM) chains for the best performance Direct mount design for quick, easy installation and a simplified design SPECIFICATIONSBolt Circle Diameter SRAM DM (Direct Mount)Chainring Material Alloy Chainring Offset3mm Chain Compatibility SRAM Eagle(TM) 12-speed | Sram | X-Sync 2 Dm 3Mm Offset Boost Eagle Chain Ring 30T | Aluminum