Can I use a SRAM Eagle 12-speed chain on Rival XG-1250 cassette? No. Eagle chains are only compatible with Eagle cassettes and derailleurs. All road eTap AXS rear derailleurs require the use of 12-speed road cassettes and Flattop chains only. See the AXS compatibility maps on the SRAM Service site to learn more. Related articles Is there an eTap AXS cassette available with an 11-tooth start so I don’t have to change the 11-speed HYPERGLIDE driver on my rear wheel to XDR? What cassette size ranges do you offer for Rival eTap AXS? Will additional cassette size options be added later? Can I use an Eagle chain with the XPLR direct mount chainring? Are there any differences to the cassette from mechanical Eagle™?