All 2x chainring configurations available on our 12-speed cranksets are compatible with our eTap AXS and AXS rear derailleurs: 43/30T, 46/33T, 48/35T, 50/37T, and the larger 52/39T, 54/41T, and 56/43T combinations.
XPLR eTap AXS and XPLR AXS rear derailleur are instead only compatible with 1x cranksets. All available chainring sizes can be used on an XPLR drivetrain.
For more details on compatibility between AXS components, see our AXS Components Compatibility Map.