SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 Boxxer 2010+ Uses a CR2032 battery that

Uses a CR2032 battery that can be replaced without tools

}SRAM Force 2x Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount Black E1

SRAM Model ID: FC-X0-1-C3

Aero chainrings are NOT compatible with Shimano GRX 600 series cranksets (FC-RX600-1

Premium stainless-steel bearings

SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 Boxxer 2010+ Uses a CR2032 battery thatIntegrated power meter and chainring combo Accurate to + 1. 5% and unaffected by temperature changes Integrated rings are incredibly long lasting Combine with 8 bolt compatible crankarms SRAM Model ID: PM AXS KITR E1 TECH SPECS BB Inclusion No BCD Direct Mount SRAM 8 Bolt Connectivity ANT+ BT Speed 12 Teeth 54 41