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SRAM GX Eagle AXS Transmission Power Meter Spindle Crankset
May 6, 2026$365.00
Spindle-based, single-leg power meter crankset for 55 MM chainline bikes
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SRAM GX Eagle AXS Transmission Power Meter Spindle Crankset
The SRAM GX Eagle AXS Transmission Power Meter Spider Crankset pairs SRAM’s spindle based power measurement with the latest GX crank arms. It fits 55 mm chainline bikes and measures left leg power with accuracy rated at +/- 3 percent. A single AAA lithium battery delivers over 400 hours of ride time, which keeps maintenance simple.
The system also includes features like 10K temperature compensation to maintain consistent data in changing conditions. It works with Flight Attendant and supports chainring sizes from 30T to 34T. This setup gives riders a reliable and durable power solution for modern SRAM Transmission builds.
Product Details
Key Features of the SRAM GX Eagle AXS Transmission Power Meter Spindle Crankset
- Compact Design: Adding minimal bulk and weighing only 40 grams more than the standard crankset, this power meter is almost unnoticeable.
- High Power Transfer: The stiff aluminum crank arms ensure no power is lost in flex of the crank arm itself.
- Long Battery Life: The user replaceable AAA battery supplies 400+ hours of battery life, so you can spend more time riding and less time replacing batteries.
- Data Multiple Ways: ANT+ and Bluetooth Smart connects to head units such as a Garmin Edge and a variety of training apps such as Zwift.
Compatibility:
The SRAM GX Eagle AXS T-Type Power Meter Spindle Crankset has a Q174 spindle, uses a 3 mm offset chainring and fits 55 mm (Wide) chainlines. It will not fit bikes with a 52 mm (Boost) chainline. It requires a SRAM DUB Bottom Bracket. See Compatibility tab for more information.
Power Measurement:
The SRAM power meter measures left leg power and doubles the value to account for both legs (assumes both legs are generating the same force).
Advice From Our Staff:
This GX AXS power meter crankset doesn’t offer dual-sided power like some of the SRAM spider-based versions do, however at $365, it’s much more affordable than dual-sided versions. We are big fans of SRAM power meters. They are reliable and are backed by a solid 2-year warranty.
Options For This Power Meter
Crank arms: 155 mm | 160 mm | 165 mm | 170 mm | 175 mm
Chainrings: 30T | 32T | 34T
SRAM GX Eagle AXS Spindle Crankset Compatibility
Chainline Spacing: This power meter crankset has a Q174 spindle, uses a 3 mm offset chainring and fits 55 mm (Wide) chainlines. Unfortunately, this crankset does not work on bikes with a 52 mm chainline.
Chainrings: The SRAM GX Eagle AXS Transmission Power Meter Spindle Crankset is compatible with SRAM GX Eagle Transmission Direct Mount Chainring, which can be purchased on this page along with the power meter. You can also use 8-bolt chainrings made by other manufacturers such as Wolf Tooth, absoluteBLACK and Carbon-Ti, as long as they are 3 mm offset.
Chain: The chainrings are compatible with SRAM Eagle 12-speed drivetrains, including both T-Type and non-T-Type chains.
Bottom Bracket: This power meter fits SRAM DUB bottom brackets.
SRAM GX Eagle AXS T-Type Power Meter Specs
| Name | SRAM GX T-Type Power Meter Crankset |
| Bike Type | MTB |
| Location of Power Measurement | Spindle |
| Left or Both Legs Measured | Left |
| Independent Left/Right Measurement | No |
| Installation | More involved (60 min. estimated) |
| Chainring Configuration | 1X |
| Speeds | 12-speed |
| Chainline Spacing | 55 mm |
| Crank Arm Material | Aluminum |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 3% |
| Active Temperature Compensation | Yes |
| Weight | 750 grams |
| Battery Type | AAA |
| Battery Life | 400+ hours |
| Method of Cadence Measurement | Accelerometer |
| BCD | SRAM 8-Bolt |
| Spindle Size | DUB 29 mm |
| Q Factor | NA |
| Warranty | 2 years |
In the Box
- SRAM GX Eagle AXS T-Type Power Meter Spindle Crankset (crank arms with power meter and chainring)
- AAA Battery
Tools Needed for Installation
You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.
Q&A
Have a question about this? Ask the staff.
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