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  1. SRAM Technical Service FAQ
  2. SRAM
  3. SRAM AXS Collection
  4. SRAM eTap AXS
  5. SRAM eTap AXS Rear Derailleurs
  6. General and Compatibility

General and Compatibility

  • Will the Force 36t-max derailleur work without a front derailleur? plus icon minus icon
  • Yes. All SRAM RED and Force eTap AXS derailleurs are designed to be used in both 1x and 2x drivetrain configurations. See more
  • What 2x chainring options are compatible with the Force eTap AXS 36t-max rear derailleur? plus icon minus icon
  • All SRAM AXS road chainring combinations are compatible with the 36t-max Force AXS rear derailleur.  See more
  • Is there a marking or indication on the rear derailleur to know if it is a 36t-max or 33t-max version? plus icon minus icon
  • Yes. Going forward, all Force eTap AXS rear derailleurs are marked with MAX 36T or MAX 33T on the back of the derailleur near the b-bolt. See more
  • What cassettes are compatible with the Force 36t-max rear derailleur? plus icon minus icon
  • 10-36, 10-33, and 10-28. See more
  • Can I use the eTap AXS rear derailleur without the front derailleur to make a 1x drivetrain? plus icon minus icon
  • Yes. See more
  • Is there a different eTap AXS rear derailleur for 2x and 1x drivetrains? plus icon minus icon
  • No. Both drivetrain setups use the same rear derailleur unless you are using a 10-50 or 11-50 Eagle™ cassette. These cassettes require the use of an Eagle™ AXS™ rear derailleur. See more
  • What is the maximum cassette cog size that is compatible with SRAM eTap AXS rear derailleurs? plus icon minus icon
  • 33t-max: Compatible with 10-26t, 10-28t, 10-30t and 10-33t cassettes  36t-max: Compatible with 10-28t, 10-30t, 10-33t, and 10-36 cassettes  XPLR: Compatible with 10-36t and 10-44t cassettes (1x on... See more
  • Is there a SRAM eTap AXS rear derailleur compatible with a higher max cog size than 33T? plus icon minus icon
  • Yes. The SRAM Force eTap AXS rear derailleur is available in a 10-36T max configuration.  See more
  • Why do SRAM RED and Force eTap AXS rear derailleurs use the new Orbit fluid clutch instead of the Roller Bearing Clutch used on SRAM’s mountain bike rear derailleurs? plus icon minus icon
  • Road chain management requirements are different than MTB, so they do not need to use the same mechanism. Our Orbit™ fluid damper is speed sensitive so that cage movement resulting from gear change... See more

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