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Sigeyi Race Face Next SL MTB Power Meter Crankset

Power Meter City April 12, 2024


Sigeyi AXO Race Face power meter + lightweight Race Face Next SL carbon cranks

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Sigeyi Race Face Next SL MTB Power Meter Crankset

The Sigeyi Race Face Next SL MTB Power Meter Crankset combines the Sigeyi AXO Race Face MTB power meter with Race Face Next SL crank arms to make one of the stiffest and lightest power meters available. This power meter crankset combines one of the most affordable power meters with a lightweight and performance driven crankset. Designed for XC and trail riders, a full carbon construction and lightweight spider-based power meter is ready to take on any climb and tackle any trail.

The Sigeyi AXO power meter features dual leg power measurement, +/- 1.0% power accuracy and 300 hours of battery life. This power meter also has auto-zero functionality and connects with ANT+ or Bluetooth SMART. Therefore, you can use it with your favorite head unit and training platforms.

The Race Face Next SL Crankset uses UD Carbon to provide efficient power transfer and durability from rock strikes. These crank arms have been designed to provide extra strength and the Race Face CINCH system allows for maximum drivetrain compatibility.


Key Product Details


This Sigeyi power meter crankset is compatible with 104×4 BCD chainrings and 30 mm bottom brackets. Although this crankset is only offered with a Boost spindle, the Sigeyi AXO power meter purchased in the Standard chaineline configuration comes with an adapter to provide the proper chainline for mountain bikes using Standard spacing. See Compatibility tab for more information.

Power Measurement:

The Sigeyi AXO power meter measures power at the spider and is therefore able to measure power from both legs.

Key Features:

Dual-leg power measurement, carbon crank arms, accurate to +/- 1.0%, 300 hours of battery life, left/right power balance, ANT+ and Bluetooth compatibility, auto-zero functionality (automatic calibration). See Specs tab for more information.

Advice From Our Staff:

The Sigeyi Race Face Next SL MTB Power Meter Crankset is an excellent choice for XC and trail riders. The Sigeyi AXO power meter provides accurate power readings and the Race Face Next SL crank arms are some of the lightest available.


Options for This Power Meter

Chainline and BCD: This power meter is available in the following chainline options:

  • 1X Boost | 104 BCD
  • 1X Standard | 104 BCD

Crank arms: This power meter comes with Race Face Next SL crank arms. You have the option of the following crank arm sizes:

  •  170 mm | 175 mm


Professional Assembly (Optional)Sigeyi Build Checklist

We are happy to professionally assemble your power meter crankset if you select this option when ordering. This ensures your crankset is correctly built and saves you time. Professional assembly includes:

  • Mount the power meter to the cranks and tighten to factory specifications
  • Apply multi-purpose bicycle grease where necessary
  • Install chainrings on the power meter (if chainrings are ordered)

Please note – while we tighten everything to factory specs, it is still your responsibility to routinely check your power meter crankset to make sure all bolts and nuts remain securely fastened.


Other Versions to Consider

Sigeyi Race Face ERA Crankset: If you are looking for a carbon crankset that provides more durability, consider the Sigeyi Race Face ERA MTB Power Meter Crankset. This is a carbon crankset with stainless steel wear plates installed to protect against heel rub and provide additional stiffness.


Chainrings: This power meter requires a 104x4 BCD MTB chainring (which is different than the direct mount chainrings found on many Race Face 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.

If you purchase a new chainring with your power meter, we will bolt it on to your power meter before shipping, which will make installation that much easier when you get it.

Bottom Bracket: This power meter fits 30 mm bottom brackets. If you currently have a 30 MM crankset on your bike, you should be able to re-use your existing bottom bracket. However, if you are changing spindle sizes, you will need to replace your bottom bracket.

Sigeyi Race Face Next SL Crankset

NameSigeyi Race Face Next SL Specs
Bike TypeMTB
Location of Power MeasurementSpider
Left or Both Legs MeasuredBoth
Independent Left/Right MeasurementYes - Power Balance
InstallationMore involved (60 min. estimated)
Chainring Configuration1X
Speeds11- or 12-speed
Chainline SpacingStandard, Boost
Crank Arm MaterialCarbon
Communication ProtocolANT+ and Bluetooth SMART
Claimed Accuracy+/- 1.0%
Active Temperature CompensationNo (however features Auto Zero)
Battery TypeRechargeable
Battery Life300 hours
Method of Cadence MeasurementAccelerometer
Spindle Size30 mm
Q Factor167 mm
Sigeyi Warranty2 Years
Race Face WarrantyLifetime Warranty + Crash Replacement

In the Box

  • Sigeyi AXO power meter
  • Race Face Next SL carbon cranks and spindle
  • Sigeyi USB Charger 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.

Common Questions and Answers

Question: What other power meters are compatible with Race Face Next SL cranksets?

Question: How do I determine what length my current cranks are so I can make sure I get the same size?

  • Your crank arm length should be printed or stamped on the inside of the left crank arm, usually near the pedal end.

End of crank arm showing crank arm length


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