SRAM Rival D1 X-SYNC Direct Mount ChainringsElevate your ride with the SRAM Rival D1 X-SYNC Direct Mount Chainrings, the pinnacle of 1x drivetrain performance for modern road cycling. Engineered as an integral part of the revolutionary SRAM AXS ecosystem, this chainring is designed to provide flawless shifting, unparalleled chain security, and long-lasting durability. It´s the perfect upgrade or replacement part for riders seeking a clean, efficient, and reliable single-ring setup on their road, gravel, or cyclocross bike X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control Laser-etched chainring finish is more durable X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear SpecificationsModel No: CR-XSNC-DM-D1Series: Rival X-SYNCBolt Circle Diameter (BCD): Direct Mount (DM)Mounting bolts: 8xSpeeds: 1x 12Compatible chain: Road Flattop D1Chainring Size:38T, 40T, 42T, 44T & 46TWeight: 128g (42T)CR-XSNC-DM-E1 User ManualSRAM Warranty