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SRAM RED 1x AXS Power Meter Crankset

Josh Matthew April 12, 2024


Save: $258.2

The perfect 1x power meter for triathletes, time trialists and cyclocross racers!

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SRAM RED 1x AXS Power Meter Crankset

The SRAM RED 1x AXS Power Meter Crankset is the perfect 1x power meter for triathletes, time trialists and cyclocross racers! Featuring a 1x direct mount aero chainring, the gearing range is perfect for racing and flatter terrains. In addition, Quarq’s premier DZero power measurement technology promises accurate and consistent power readings regardless of the climate or conditions. This power meter also features dual ANT+ and Bluetooth SMART, left and right power balance and a full 2-year warranty.

In addition to a premier power meter, you also get a top of the line crankset. The SRAM RED crank offers both strength and stiffness due to SRAM’s proprietary carbon lay-up design. The crankset also uses a unique integrated chainring design which further increasing stiffness. Even better…weight is kept to a minimum as the refined carbon architecture ensures the greatest weight savings possible.


Key Product Details


This power meter crankset is compatible with SRAM DUB or GXP bottom brackets (based on the spindle type selected). See Compatibility tab for more information.

Power Measurement:

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

Key Features:

Dual-leg power measurement, integrated 1-piece chainrings, lightweight carbon crank arms, accurate to +/- 1.5%, CR2032 user-replaceable battery, left/right power balance, ANT+ and Bluetooth compatibility, auto-zero (automatic calibration). See Specs tab for more information.

Advice From Our Staff:

This is SRAM’s nicest, but also most expensive, 1x road power meter. It features their high-end carbon RED cranks and a 1-piece fully integrated power meter spider and chainrings, which makes it lightweight and stiff. We also like that the power meter measures power from both legs as well as provides left vs. right power balance. One thing to note – while the RED chainrings are made to last 50% longer than SRAM’s 11-speed chainrings – the chainrings cannot be replaced when worn, since the rings and power meter are one solid piece. Most customers however can get many years of life out of the power meter before it needs to be replaced.


Options For This Power Meter

  • Chainrings: 46/33 | 48/35 | 50/37
  • Crank arm lengths: 165 mm | 167.5 mm | 170 mm | 172.5 mm | 175 mm
  • Spindle Type: These crank arms are available with a DUB (29.9 mm) or GXP spindle (22/24 mm). Please make sure you have the correct bottom bracket on your bike.


Other Versions to Consider

Power Meter Only: If you already have SRAM RED AXS crank arms, you can buy the SRAM RED 1x AXS Power Meter Spider and bolt it up to your existing cranks. (However, please make sure you have the latest version SRAM RED AXS crank arms as the older generation RED crank arms won’t work.)

2x AXS Version: We also sell the SRAM RED AXS Power Meter Crankset which features a 2x chainring.


This power meter crankset is compatible with SRAM DUB or GXP bottom brackets (based on the spindle type selected).

SRAM RED 1x AXS Crankset Specs

NameSRAM RED 1x AXS Power Meter
Bike TypeRoad
Location of Power MeasurementSpider
Left or Both Legs MeasuredBoth
Independent Left/Right MeasurementPower Balance
InstallationMore involved (60 min. estimated)
Crank Arm MaterialCarbon
Communication ProtocolANT+ and Bluetooth SMART
Claimed Accuracy+/- 1.5%
Active Temperature CompensationYes
Battery TypeCR2032 coin cell
Battery LifeNA
Method of Cadence MeasurementAccelerometer
Spindle SizeDUB 29 mm or GXP 22/24 mm
Q FactorNA
Warranty2 years

In the Box

  • SRAM RED Power Meter Crankset
  • Set of Torx T20 Bolts

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.

  • 8 mm Allen key
  • T20 Torx bit

Common Questions and Answers

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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