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Sigeyi AXO SRAM MTB Power Meter
January 14, 2024$380.00 – $395.00
Accurate, affordable, dual-sided power for your SRAM 3-bolt MTB crankset!
Sigeyi AXO SRAM MTB Power Meter
The Sigeyi AXO SRAM MTB Power Meter is a spider-based power meter that is compatible with SRAM 3-bolt MTB cranksets. The Sigeyi power meter measures power from both legs, is accurate to +/- 1.0% and is lightweight at only 83 grams. In addition, it easily bolts up to your existing SRAM crankset. Therefore, there is no need to buy new cranks or replace your bottom bracket.
The power meter also features a rechargeable battery with 300 hours of ride time, auto-zero functionality (so your data is always accurate), left and right leg power balance and a 2-year manufacturers warranty. Of course, you also get Bluetooth SMART. This allows you to use the power meter with your favorite indoor training program or app.
Key Product Details
Compatibility:
This Sigeyi fits SRAM direct mount 3-bolt cranksets. Regarding chainrings, it requires a 104 BCD 4-bolt MTB chainring (which is different than the direct mount chainrings found on many SRAM MTB cranksets). If you don’t already have a 104 BCD 4-bolt chainring, we offer several to choose from. See Compatibility tab for more information.
Power Measurement:
The Sigeyi power meter measures power at the spider and is therefore able to measure power from both legs.
Key Features:
Dual-leg power measurement, accurate to +/- 1.0%, 300 hours of battery life, rechargeable battery, very lightweight, left/right power balance, ANT+ and Bluetooth compatibility, auto-zero (automatic calibration). See Specs tab for more information.
Advice From Our Staff:
The Sigeyi is a great way to add power to SRAM 3-bolt MTB cranksets. It measures power from both legs, is accurate and affordable. In addition, since it bolts on to your existing crankset, there is no need to buy new cranks or change bottom brackets. It is also lightweight which makes it a great option for cyclists looking to minimize added weight.
Options For This Power Meter
Chainline and BCD: This power meter is available in the following versions:
- 1X Boost | 104 BCD
- 1X Standard | 104 BCD
The 1X Boost version is most common and is used on bikes that currently have 3 mm offset direct mount chainrings. These bikes usually feature 52 mm chainlines and 148 mm rear hubs.
Other Versions to Consider
Sigeyi SRAM MTB 8-Bolt: We also have the Sigeyi AXO SRAM 8-Bolt MTB Power Meter which fits SRAM 8-bolt MTB cranksets. Please contact us if you are not sure which version you need.
Compatibility
Crankset: The Sigeyi SRAM MTB Power Meter fits SRAM direct mount 3-bolt cranksets. In order for this power meter to fit, you must ensure your SRAM uses this interface. Please see the image below.
Chainrings: This power meter requires a 104 BCD 4-bolt MTB chainring (which is different than the direct mount chainrings found on many SRAM MTB cranksets). If you don't already have a 4-bolt chainring, we offer several to choose from.
- MTB chainrings for Sigeyi
- MTB chainrings for Sigeyi Shimano (for Shimano 12-speed drivetrains)
The smallest chainring you can use on a Sigeyi MTB power meter is a 30T round or 32T oval.
Sigeyi AXO SRAM MTB Specs
| Name | Sigeyi SRAM MTB Power Meter |
| Bike Type | MTB |
| Location of Power Measurement | Spider |
| Left or Both Legs Measured | Both |
| Independent Left/Right Measurement | Yes - Power Balance |
| Installation | More involved (60 min. estimated) |
| Chainring Configuration | 1X or 2X |
| Speeds | 11- or 12-speed |
| Chainline Spacing | Standard, Boost or Super Boost |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 1.0% |
| Active Temperature Compensation | No (however features Auto Zero) |
| Weight | 83 grams |
| Battery Type | Rechargeable |
| Battery Life | 300 hours |
| Method of Cadence Measurement | Accelerometer |
| BCD | 104 |
| Warranty | 2 years |
In the Box
- Sigeyi power meter
- Charging cable
- User's manual
- Decals: Black, Red, Green, Silver, Blue
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.
- T25 Torx bit
- 8 mm Allen key
Common Questions and Answers
Question: I have a SRAM MTB crankset. Will the Sigeyi SRAM Power Meter fit?
- The Sigeyi AXO SRAM MTB Power Meter is one of our go to power meters for MTB. In order for it to fit, you need to ensure you have a direct mount SRAM crankset or a modular SRAM crankset. Please see our article for more information: I have a SRAM MTB crankset. What power meter can I use?
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THIS PRODUCT IS FREQUENTLY BOUGHT WITH
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SRAM X-SYNC 2 Chainring$74.00 – $109.95Made for 104 BCD cranksets including the Quarq SRAM XX1 and power2max SRAM MTB power meters -
Garmin Edge 540 Bike Computer$349.99 – $449.99Loaded with Garmin's latest features, the Edge 540 is the ultimate performance bike computer! -
Designed to provide extra stiffness and reliability to MTB riders! -
SRAM X01 chain for your Eagle 12-Speed MTB drivetrain
Nick (verified owner) –
I liked the first one so much I got a second for my other mountain bike. Really nice to have to pace myself on long climbs as well as all the other logging data I get from this.
Nick (verified owner) –
Really happy with this power meter for my status 160, while not popular with most mtb guys I like to match my training on the peloton when I can’t get out for a ride. Prior to having a power meter I just relied on Strava estimated data, after riding with this I quickly realized why it’s so hard to get the same results training on my Peloton.
Super awesome experience buying from these guys. I’m a bit of a noob and ordered the wrong combination of parts, rather than just shipping what I ordered I got a phone call to ensure I would receive compatible parts. I really appreciate the extra effort put into making sure I got what I needed to start logging!
parker goodwin (verified owner) –
I recently added the Sigeyi SRAM MTB Power Meter to my single-speed mountain bike, and the results have been nothing short of amazing. This power meter has completely transformed my riding experience. Here’s why I believe it deserves a solid 5-star rating:
Precision and Accuracy: The Sigeyi power meter provides incredibly accurate power readings, making it an essential tool for anyone serious about their training. Whether you’re a professional racer or a dedicated enthusiast, the precision of this device will help you fine-tune your performance.
Seamless Integration: Installing the power meter on my SRAM-equipped bike was a breeze. It seamlessly integrates with my drivetrain, and it’s practically invisible once installed. It’s as if it was designed to be part of the bike from the start.
Battery Life: I’ve been amazed at how long the battery lasts on the Sigeyi power meter. I rarely have to worry about recharging it, and the low-power mode is a fantastic feature for extending the life even further.
Reliability: In all my rides, the power meter has been consistent and reliable. It has endured rough trails, inclement weather, and all the rigors of mountain biking without missing a beat. It’s clear that this is a well-engineered, durable product.
Data Analysis: The ability to track and analyze my power output has been a game-changer for my training. I can now monitor my progress, identify strengths and weaknesses, and adjust my training accordingly. This power meter has helped me become a smarter, more efficient rider.
Excellent Customer Support: Sigeyi’s customer support team has been incredibly responsive and helpful, ensuring that any questions or issues I had were promptly addressed.
In summary, the Sigeyi SRAM MTB Power Meter is a top-notch product that has taken my single-speed mountain biking to a whole new level. It offers precision, durability, and seamless integration, making it a must-have for serious riders who want to improve their performance. I couldn’t be happier with my purchase, and I highly recommend it to anyone looking to elevate their cycling experience. Five stars all the way! ⭐⭐⭐⭐⭐
Power Meter City –
We’re overjoyed to read your positive review, Parker! Knowing that our new Sigeyi power meters made a positive impact makes our day! Thank you for choosing Power Meter City! Ride safe!
Jim Messer (verified owner) –
I’ve wanted to add a power meter to my training and finally decided to. I researched Sram’s solution- and I would have had to buy a new crank. That was way out of range. More research brought me to powermetercity and finally, to Sigeyi AXO. It has great reviews, is an amazing price, and appears to be a great meter.
I ordered a chain ring and ring bolts with my PM. PMC installed them both. I installed it on my YT Izzo and it paired instantly to my Edge 840. I did a number of rides and the readings are super clean.
This is a great value and you’ve found a great place to order it from.
Power Meter City –
You came into the right place, Jim! Thank you for this amazing review! (Our very first one!) We hope you will continue your new Sigeyi power meter and we are here if there is anything else we can do!