SRAM Red/Force AXS 1x Direct Mount Chainring Maximum Performance Whether you're upgrading your drivetrain or replacing an old chainring, you'll want to make sure you get the right chainring for your crankset. The SRAM Red/Force AXS 1x Direct Mount Chainring is built for 12-speed SRAM Red and Force cranks. It has SRAM X-SYNC wide-tooth, narrow-tooth chainring technology that provides maximum chain control. It features a laser-etched finish that is more durable and X-Range gearing technology that gives you more range and a smoother gear progression. Features Improved aerodynamics for time trial and triathlon (48T/50T)Laser-etched chainring finish that is more durable X-SYNC wide-tooth, narrow-tooth technology for maximum chain control X-Range gearing technology gives you more range and a smoother gear progression SPECIFICATIONSDrive Train Speed12-Speed Tooth Count38, 40, 42, 44, 46, 48, 50TMaterial Aluminum Direct Mount Type SRAMChainline-Offset-Intended Use Road, Race, Time Trial, Triathlon Weight TBD | Sram | Red/force Axs 1X Direct Mount Chainring Cring Road 40T Dm X-Sync Grey | Aluminum