SRAM RED/Force AXS Aero Power Meter Kit - 12-Speed 8-Bolt Direct-Mount Black D1

AXS enabled for easy monitoring and firmware upgrades Single-ring drivetrain simplifies functionality Fully integrated power meter into a direct mount aero chainring. Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride. SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control. Laser-etched chainring finish is more durable. 8-bolt direct mount compatibility only to new RED and Force eTap AXS cranks.