SRAM Force AXS 2x Power Meter Chainring Kit - 2x12-Speed 8-Bolt Direct Mount Black D2

X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear. Power meter is fully integrated into the chainring set for lighter weight. Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride. Measures right and left leg power balanceCrisp and accurate front shiftsUnique chainring shape results in a lighter weight, stiffer, more durable unit.