Sigeyi AXO SRAM MTB Power MeterSeptember 24, 2023
$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
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.
The Sigeyi power meter measures power at the spider and is therefore able to measure power from both legs.
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.
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.
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|
|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)|
|Battery Life||300 hours|
|Method of Cadence Measurement||Accelerometer|
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?