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.
Is there a different eTap AXS rear derailleur for 2x and 1x drivetrains?
Related articles
- Can I use the rear derailleur without a front derailleur to make a 1x drivetrain?
- Is the SRAM RED AXS rear derailleur compatible with 1x and 2x? What chainring combinations is it compatible with?
- Can I configure eTap AXS for a lower 1x drivetrain gearing setup?
- Are Rival eTap AXS shift levers compatible with Eagle AXS rear derailleurs?
- What is the chain line of the SRAM RED and Force eTap AXS crankset/chainrings? Is it different than 11-speed SRAM road cranksets?