Setup and Service

Rival, Force, Red eTap AXS

• How do I size a chain for a SRAM eTap AXS 1x drivetrain?
Wrap the chain around the large chainring and largest cassette cog (bypassing the derailleurs) with the flat edge facing away from the chainring and cassette. Add two inner links and two outer link... See more
• Do you recommend specific tools like chain pliers, or chain whips for SRAM eTap AXS™ drivetrains?
  We do recommend using specific tools that we have tested and verified to work perfectly with the SRAM eTap AXS drivetrain, as it will help ensure your cassette and chains are installed and measur... See more
• What chain lubes do you recommend for SRAM 12-speed eTap AXS road chains?
For our SRAM RED, Force, Rival and Apex 12-speed road chains we recommend using commonly available chain lubes. Those chains are compatible with the same lubricants as our other chains. See more
• Can a SRAM RED or Force PowerLock be installed and uninstalled repeatedly, or does it need to be replaced with a new PowerLock after being removed one time?
12-speed road PowerLocks are designed for one-time use only. Reusing a PowerLock may result in a broken chain that could result in a crash. See more
• What size and type of tool is required to remove SRAM RED and Force 1x chainrings from the crank spider?
Torx T30. See more
• What size and type of tool is required to remove SRAM RED and Force direct mount road chainrings from the crankset?
Torx T20. See more
• How do I trade in my SRAM RED AXS 2x power meter road chainrings when they wear out?
SRAM RED eTap AXS and RED AXS Power Meter Trade-In Program When it is time to replace the AXS integrated power meter, SRAM has tried to make the process as simple as possible. Please review the ter... See more
• Where can I find service and maintenance information for my SRAM RED eTap AXS rear derailleur?
Service and maintenance information, including SRAM Tech videos, can be found on the product service page here. See more
• If I am changing from a 33T Max derailleur to a 36T Max derailleur and 36T cassette, do I need a longer chain?
Yes, you will need a longer chain for the increase in cassette size. See the chain sizing and installation instructions found in the eTap AXS systems manual on the SRAM RED eTap AXS service page here. See more
• What is the correct chain gap setting for the SRAM RED eTap AXS 36T Max rear derailleur?
For the SRAM RED eTap AXS 36T Max rear derailleur, the chain gap should be 5mm between the top of the upper pulley teeth and the tallest teeth of the largest cassette cog when using a 10-36T casset... See more
• Why does the rear derailleur or chain contact the chainstay while in the smallest cogs?
Although rare, there may be situations on some frame designs when a 10-26 or 10-28 cassette is installed and a properly adjusted Road AXS rear derailleur will interfere with the chainstay or dropou... See more
• Can I adjust the rear derailleur shift speed?
No. However, the rear shifting automatically increases slightly when a front derailleur is not paired into the groupset. See more
• Where can I order a front derailleur alignment tool to help setup my SRAM eTap AXS?
In most regions, you can contact your local dealer and request the tool free of charge. If the dealer does not have one in stock, it can be ordered from their nearest SRAM distributor or service ce... See more
• Why does my chain drop when shifting my SRAM eTap AXS front derailleur?
When the chain drops off the chainrings while shifting with eTap AXS and AXS drivetrains, it is often the result of the front derailleur being set up outside of our specifications.  Fine-tuning a f... See more
• Are there any auxiliary buttons on the shifters with unassigned functions that can be used to control other wireless components or perform special functions?
Yes, the AXS™ buttons on the backs of the shift paddles can be used to switch between shifting modes. Additionally, you can assign eTap™ Blip remote shifter buttons to control other SRAM AXS™ devices. See more
• Can I change shifting modes without going through the mobile app? For example, can I change shifting modes using my GPS head unit?
Head units cannot be used to change shift modes. The AXS™ app is used to select either Sequential or Compensating modes as the alternative to full manual. See more
• How do I set up SRAM eTap AXS on a wheel-on style indoor trainer?
  For relevant setup tips, choose either Trainer Setup with Existing Wheel or Trainer Setup with a Dedicated Training Wheel from the options below. Having a separate trainer wheel and cassette may ... See more
• How do I set up SRAM eTap AXS on a direct drive indoor trainer?
  Use this guide in collaboration with your trainer manufacturer's setup and compatibility info to ensure the best indoor riding experience on SRAM RED, Force, and Rival eTap AXS.  DIRECT DRIVE TR... See more
• Do I need to do anything different when washing a bike with AXS components?
While AXS components can withstand pressure washing and submersion, each component should be treated the same way you would treat ball bearing equipped components such as a hub, headset or bottom b... See more
• How do I size a chain for a SRAM eTap AXS 2x drivetrain?
Wrap the chain around the large chainring and largest cassette cog (bypassing the derailleurs) with the flat edge facing away from the chainring and cassette. Add one inner link and one outer link ... See more