SRAM Force E1 AXS Power Meter Crank Arm
The SRAM Force E1 AXS Power Meter Crank Arm is the simplest way to upgrade your Force E1 crankset with accurate power data. Replacing your existing left crank arm, it measures left-leg power output and transmits precise data for training and performance analysis. The power sensor is built directly into the DUB spindle. This keeps weight low while maintaining a clean, integrated look and compatibility with Force E1 road cranksets.
Delivering ±1.5% accuracy, this power meter ensures consistent and reliable readings every ride. It runs on a replaceable AAA battery that lasts up to 400 hours, giving you plenty of ride time before needing a swap. Crafted from carbon fiber, the Force Power Meter Crank Arm offers the same stiffness and efficiency as the standard Force E1 crankset, combining lightweight performance with great power transfer.
Product Details
Key Features of the Force E1 Power Meter Crank Arm
- Easy to Upgrade: Simply replace your left crank arm for +/- 1.5% accurate power measurement.
- AXS Compatible: Wirelessly pairs with the SRAM AXS App for setup and firmware updates.
- Replaceable AAA Battery: Up to 400 hours of battery life with no charging needed.
- Stiff and Light: The Force E1 Crank Arm is very stiff and lightweight, ensuring great power transfer to the bike without a weight penalty.
Power Measurement
This Force power meter measures left leg power. It then doubles the value to account for both legs (assumes both legs are generating the same force).
Compatibility
This power meter is compatible with SRAM Force E1 road cranksets. It uses a standard DUB spindle that is compatible with most road bikes. See Compatibility tab for more information.
Considerations
This is a left-side only power meter, so it estimates total power by doubling the left leg’s output. This can be less precise than dual-sided options. For riders who want to ensure they have the most accurate data possible, we would recommend considering a dual-sided power meter.
Advice From Our Staff
We believe the SRAM Force E1 AXS Power Meter Crank Arm is a great choice for riders who want to upgrade their Force E1 crankset to measure power. This is one of the most affordable ways to add a power meter and is perfect for riders already using a Force E1 crankset.
Options
- Crank arm length: 160 mm | 165 mm | 170 mm | 172.5 mm | 175 mm
Other Versions to Consider
SRAM Force E1 XPLR Power Meter Crank Arms: We also offer the SRAM Force E1 AXS XPLR Power Meter Crank Arm. This is a similar power meter crank arm, but designed for gravel bikes and the the Force E1 XPLR crankset.
Compatibility
- Bottom Bracket: Compatible for DUB bottom brackets.
- Chainline: Works with road bikes and 45 mm chainlines. Not compatible with gravel bikes or 47.5 mm chainlines.
- Crankset: This power meter is compatible with SRAM <span style="text-decoration: underline;">Force E1 Road cranksets. This power meter will NOT fit the older generations of Force cranksets, including DUB, GXP or BB30 cranksets. Please see the image below.
SRAM Force E1 Power Meter Specs
| Name | SRAM Force E1 Power Meter |
| Bike Type | Road |
| Location of Power Measurement | Spindle |
| Left or Both Legs Measured | Left |
| Independent Left/Right Measurement | No |
| Installation | Easier |
| Crank Arm Material | Carbon |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 1.5% |
| Automatic Temp. Compensation | Yes |
| Weight | 40 grams (added weight) |
| Battery Type | AAA lithium |
| Battery Life | 400 hours |
| Method of Cadence Measurement | Accelerometer |
| Warranty | 2 years |
In the Box
- SRAM Force E1 AXS Power Meter Crank Arm
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.</p>
Q&A
Have a question about this? Ask the staff.
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