Is SRAM RED eTap recommended for a rim brake cyclocross application in muddy conditions? August 13, 2015 15:54 Updated Yes. Related articles Can I adjust the eTap 2x11 derailleurs while I am riding like you can with a barrel adjuster on a mechanical system? What if I crash? Is there a crash mode for eTap 2x11 derailleurs? Will SRAM RED eTap 2x11 work with a 36 or 42 tooth cassette? Are there new cranks, rings, cassettes, and chains that are made for SRAM RED eTap 2x11? Comments 0 comments Article is closed for comments.