Compatibility

Rival, Force, Red eTap AXS

• What type of freehub body is required for SRAM RED, Force and Rival eTap AXS™ road cassettes?
Our 12-speed cassettes are made to work with the XDR driver. If your wheels don't already have the XDR hub, please get in touch with your wheel manufacturer. They can help you figure out if it's co... See more
• Is there a cassette available with an 11-tooth start so I don’t have to change the 11-speed HG driver on my rear wheel to XDR™?
No, there is not. The 10-tooth start for eTap AXS™ cassettes is an integral component of our X-Range™ gearing design and offers the greatest number of 1-tooth jumps between cogs while still deliver... See more
• Will a road Flattop chain work on a SRAM Eagle™ drivetrain and vise versa?
No. It is too narrow for the type of teeth used on an Eagle™ drivetrain. See more
• Are SRAM RED and Force eTap AXS PowerLocks different from SRAM Eagle 12-speed PowerLocks?
Yes they are. Eagle™ PowerLocks can be easily differentiated from Flat-Top PowerLocks. Eagle PowerLocks have the word, “Eagle™” stamped on the side. SRAM RED AXS PowerLocks are stamped “SRAM PLCK-D1”. See more
• Do I have to use the Force eTap AXS 43/30 crankset with the 36t-max rear derailleur?
No. You can use the 43/30 crankset with any of the eTap AXS 33t-max rear derailleurs and cassettes. Just be sure that you don’t exceed the maximum cassette size that is compatible with the rear der... See more
• How do I upgrade my SRAM RED or Force AXS crankset with Cannondale Ai spacing to a power meter?
SRAM offers Quarq power meter spiders to upgrade your current RED or Force AXS crankset easily. To upgrade your RED or Force AXS compatible crankset to a power meter on a Cannondale Ai-spaced frame... See more
• What frame bottom bracket interface standards work with the Force eTap AXS 43/30 cranksets?
Force 43/30 cranksets work with the following bottom bracket standards, when used with a SRAM DUB bottom bracket bearing: BSA 68 PF 86.5 BB30 68 BB30 73-A (Cannondale) PF30 68 BB386 PF30 79-A (BBRI... See more
• Is the Force eTap AXS 43/30 crankset compatible with Trek’s T47 bottom bracket standard?
Yes. Use DUB T47 85.5 ROAD WIDE version bottom bracket for the Force 43/30 crankset. See more
• Is the new wider gearing option Force eTap AXS 43/30 crankset compatible with Trek’s BB90 bottom bracket standard?
No. The Force eTap AXS 43/30 crankset is available in DUB spindle only, and requires the use of a DUB bottom bracket. If you have a frame utilizing BB90, you will need to select an AXS crankset tha... See more
• Are the wider gearing Force eTap AXS 43/30 cranksets compatible with the same bottom brackets as SRAM’s other DUB road cranksets?
No. The wide cranksets require additional spacers outside of the bottom bracket bearings. When buying bottom bracket bearings for a wide crankset, look for a “WIDE” suffix in the product descriptio... See more
• Is there a power meter option available for the wider gearing 43/30 crankset?
No, there is not an available power meter option as the 94mm Bolt Circle Diameter (BCD) of the spider is smaller than the 107mm Force eTap AXS 2x cranksets, to fit the smaller 43/30 chainrings. Qua... See more
• Is the Q-Factor for the wider gearing option Force eTap AXS 43/30 crankset the same as the existing Force eTap AXS cranksets?
The Force eTap AXS 43/40 crankset has a wider Q-Factor by 5mm than existing Force eTap AXS cranksets (placing each pedal an additional 2.5mm outboard from the bike’s centerline). The change to the ... See more
• Is it possible to put a 5-arm non-power meter spider from another SRAM crankset onto the RED or Force DUB crankset?
No, it won’t fit. See more
• Are SRAM RED and Force eTap AXS™ cranksets compatible with Trek’s BB90 bottom bracket standard?
Yes, using the groupset’s GXP spindle crankset option. Trek includes the appropriate GXP-compatible bottom bracket with their frames. See more
• Can a SRAM Eagle™ direct mount chainring be fitted to a SRAM road DUB™ crankset?
No. The spline interfaces are not compatible. See more
• What bottom bracket interface standards are the new SRAM RED or Force eTap AXS™ cranksets designed to work with? Are different spindle lengths required to fit wider variants such as BB386 and BBRight?
Our DUB™ Road platform that is used for our SRAM RED, Force, and Rival eTap AXS™ cranksets is compatible with many of the most common bottom bracket interfaces when used with the appropriate SRAM D... See more
• Is there an Italian threaded bottom bracket available for SRAM DUB cranksets?
Yes. View the DUB road bottom bracket compatibility map for more information.  See more
• Can I configure eTap AXS™ for a lower 1x drivetrain gearing setup?
Yes, in the following manner: eTap AXS™ shifters Eagle™ cassette Eagle™ chain Eagle™ or eTap AXS™ crank   SRAM RED and Force eTap AXS™ chains are only compatible with SRAM RED and Force eTap AXS™... See more
• Can I add power to my Force eTap AXS™ crankset?
Absolutely! You can order a SRAM AXS™ Power Meter Spider from Quarq. It is designed to use your existing Force AXS™ crankarms and chainrings, and can be installed without a factory calibration. See more
• Are the frame fit specs for the SRAM RED eTap AXS 36T Max rear derailleur different than the existing SRAM RED eTap AXS derailleur? Where can I find the frame fit specs?
The frame fit specification for the SRAM RED eTap AXS 36T compatible rear derailleur is the same as the current 33T Max compatible SRAM RED eTap AXS rear derailleur. You can find all AXS frame fit ... See more
• What parts are compatible with the SRAM RED eTap AXS 36T Max rear derailleur? Can I use a SRAM RED 36T Max rear derailleur with my 11-speed SRAM RED eTap system?
The SRAM RED eTap AXS 36T Max rear derailleur is only compatible with SRAM AXS systems: they will communicate with AXS front derailleurs, drop bar shift levers, BlipBoxes, and controllers only. The... See more
• Can I change my B-Adjust screw to extend my existing 33T Max SRAM RED eTap AXS derailleur to clear a 36-tooth cassette?
No, the existing SRAM RED eTap AXS rear derailleur will clear a 33T maximum cassette only. With the new SRAM RED 36T Max rear derailleur, there is a change to the length of the body of the deraille... See more
• What cassettes are compatible with the SRAM RED 36T Max rear derailleur?
Compatible 12-speed SRAM Road cassettes for the SRAM RED 36T Max rear derailleur are 10-36T, 10-33T and 10-28T. You can find the AXS compatibility chart here. See more
• Is there a marking or indication on the rear derailleur to know if it is a 36T Max or 33T Max version?
Yes. Going forward, all SRAM RED eTap AXS rear derailleurs are marked with MAX 36T or MAX 33T on the back of the derailleur near the B-Bolt. All SRAM RED and Force eTap AXS rear derailleurs without... See more
• Can I use the rear derailleur without a front derailleur to make a 1x drivetrain?
Yes, the SRAM RED eTap AXS 36T Max derailleur is both 2x and 1x compatible, equipped with the same Orbit fluid damper as existing SRAM RED and Force eTap AXS rear derailleurs for exceptional chain ... See more
• Does the SRAM RED 36T Max rear derailleur work with the SRAM AXS App?
Yes, the SRAM RED 36T Max rear derailleur will work seamlessly with the SRAM AXS App. The SRAM AXS App lets you tap into the potential of your AXS-equipped bike by displaying shift settings and bat... See more
• What is the total drivetrain tooth capacity of the SRAM RED eTap AXS 36T Max rear derailleur?
Drivetrain tooth capacity for SRAM RED eTap AXS 36T Max rear derailleurs is 39T. (Drivetrain capacity is the amount of slack chain a derailleur is designed to manage, based on the number of teeth i... See more
• What 2x chainring options are compatible with the SRAM RED eTap AXS 36T Max rear derailleur?
You can use any of the SRAM RED or Force eTap AXS chainring configurations with the SRAM RED eTap AXS 36T Max rear derailleur: 43/30T, 46/33T, 48/35T, and 50/37T. See more
• What is the total drivetrain tooth capacity of the Force eTap AXS 36t-max rear derailleur?
Drivetrain tooth capacity for Force eTap AXS 36t-max rear derailleurs is 39t. (Drivetrain tooth capacity is calculated using the following formula: [difference between tooth numbers on smallest and... See more
• What is the total drivetrain tooth capacity of SRAM RED or Force eTap AXS rear derailleurs?
36 (Drivetrain tooth capacity is calculated using the following formula: [difference between tooth numbers on smallest and largest chainring] + [difference between tooth numbers on smallest and lar... See more