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Sigeyi AXO SRAM Road Power Meter
September 20, 2023$380.00
Accurate, affordable, dual-sided power for your SRAM 3-bolt road crankset!
Sigeyi AXO SRAM Road Power Meter
The Sigeyi AXO SRAM Road Power Meter is a spider-based power meter that is compatible with SRAM 3-bolt road cranksets. The Sigeyi power meter measures power from both legs, is accurate to +/- 1.0% and is lightweight at only 105 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 power meter is compatible with SRAM 3-bolt cranksets. This includes the SRAM S-900, Force 1, Force 22, Rival 1, Rival 22 and CX1. Regarding chainrings, it fits 110 BCD 5-bolt or 110 BCD 4-bolt chainrings based on the version ordered. 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 road 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
BCD: This power meter is available in the following BCDs in order to fit your choice of chainring sizes:
- 110 5-Bolt | 110 4-Bolt
Compatibility
Cranksets: The Sigeyi SRAM Road Power Meter is compatible with SRAM S-900, Force 1, Force 22, Rival 1, Rival 22 and CX1 cranks with a 3-bolt interface. This power meter does NOT fit Cane Creek eeWing cranks.
Chainrings: This power meter is compatible with 110 BCD 5-bolt or 110 BCD 4-bolt chainrings based on the version ordered. In many cases, you can use your existing chainrings assuming they use the same configuration as the power meter you order.
- Note 1 - Please note, the 110 BCD 4-Bolt version is compatible with all Shimano 4-bolt chainrings, including Ultegra 8100 and DURA-ACE 9200 chainrings.
- Note 2 - Some SRAM cranksets come equipped with direct mount chainrings. In this case, you will need to purchase new chainrings as direct mount chainrings won't work with a power meter spider. We have several chainrings to choose from on our Chainrings page.
- Note 3 - This power meter is not compatible with SRAM Red cranksets as these use a 1-piece drive-side crank arm and spider.
What is BCD?: BCD (bolt circle diameter) is simply the diameter of a circle that passes through the centers of the bolt holes in your chainring. The BCD is usually stamped right on the chainring as either 110 or 130. It is important to know what BCD your crankset is because assuming you want to use your existing chainrings on your new power meter, you need to order the correct BCD.
Sigeyi SRAM Road 3-Bolt Specs
| Name | Sigeyi SRAM Road Power Meter |
| Bike Type | Road |
| Location of Power Measurement | Spider |
| Left or Both Legs Measured | Both |
| Independent Left/Right Measurement | Yes - Power Balance |
| Installation | More involved (60 min. estimated) |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 1.0% |
| Weight | 105 grams |
| Battery Type | Rechargeable |
| Battery Life | 300 hours |
| Method of Cadence Measurement | Accelerometer |
| 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
- 10 mm Allen key
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chris welch (verified owner) –
Incredible deal. Fits my 38t 1x and the power readings are right on target when compared to my Stages crank arms (on other bikes). Well over 200 miles without a hiccup.
Power Meter City –
You’re right! Thank you for this review, Chris! (Our very first one for Sigeyi) We hope you will continue to enjoy them. We are here if there is anything else we can help you with!