SRAM RED/Force AXS Aero Power Meter Kit - 48t, 12-Speed, 8-Bolt Direct-Mount, Black, D1

Fully integrated power meter into a direct mount aero chainring
Laser-etched chainring finish is more durable
AXS enabled for easy monitoring and firmware upgrades
Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride
0.9530000000000001 kilograms