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CX/Gravel Power Meters

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Brand
Bike Type
Power Measurement
Left vs. Right Side Power
Installation
Crank Arm Material
Cleat Type
Calibration
Battery Type
Warranty
Crank Arm Length

This page contains power meters for cyclocross and gravel bikes. Cyclocross and gravel power meters fall somewhere in between their road and MTB counterparts. Unlike a road power meter, it must be able to withstand the abuse of off-road riding. We’re talking dirt, mud and rocks. However, unlike a MTB power meter, it needs to work on a drivetrain with larger gearing. For example, a CX power meter might feature a 1x 38-42T chainring, whereas a gravel power meter might feature a 2x 48/35 or 50/34 chainring.

Additional CX/Gravel Power Meters Info:

SRM X-Power MTB Power Meter Pedals

The SRM X-Power is one of only two power meter pedals designed for off-road use. Using a standard Shimano SPD cleat, you can use this pedal for cyclocross or gravel. It is available in either a dual- or single-sided version. In addition, because it’s a pedal-based power meter, it is compatible with any bike and can easily be moved between bikes.

Pros: Fits any bike, single- or dual-sided power options
Cons: Dual-sided version is pricey

Garmin Rally XC200 and XC100 MTB Power Meter Pedals

Garmin is the other brand that makes power meter pedals for offroad use. Like the SRM above, the Garmin Rally XC uses a Shimano SPD cleat and is a great cyclocross or gravel power meter. The XC200 is a dual-sided system (measures power in each pedal), whereas the XC100 measures power in the left pedal only. In addition, the Rally features a cool transferable spindle system, which allows you to use the power meter on a road bike as well (conversion kit sold separately).

Pros: Fits any bike, single- or dual-sided power options
Cons: Dual-sided version is pricey

4iiii and Stages Left Crank Arm GRX RX810 Power Meters

These 4iiii and Stages GRX gravel power meters are compatible with all Shimano GRX cranksets including GRX RX600. They replace your left side crank arm and measure left leg power. They are some of our best-selling gravel power meters because they are affordable and easy to install.

Pros: Affordable, easy to install, don’t have to change crankset
Cons: Measures left leg power only

4iiii Right Crank Arm GRX RX810 Power Meter

4iiii also makes a right side GRX crank arm power meter. This power meter can serve two purposes: if you have a 4iiii GRX left side crank arm power meter, it allows you to upgrade to a dual-sided crankset. Or, some bike frames cannot fit a left side power meter due to clearance issues with the chainstay. In these situations, this 4iiii right side power meter is a great solution.

Pros: Affordable, easy to install, don’t have to change crankset
Cons: Measures right leg power only

4iiii Dual-Sided GRX RX810 Power Meter

If you are looking for a 4iiii GRX power meter that measures power from both legs, the 4iiii Dual-Sided GRX Power Meter is the ticket. With a power sensor on both the left and right crank arms, this unit measures power from both legs. It also provides true left/right power data, the only crankset on this page that is able to do so.

Pros: Measures both legs, provides independent left/right power
Cons: More expensive

SRAM RED/Force AXS 107 BCD Power Meter Spider

This power meter is designed for use with SRAM RED/Force ETAP AXS cranksets. It is a spider-based power meter that measures power from both legs. Available chainring options for CX are 1x 36T-46T. Available chainring options for use as a gravel power meter are 2x 46/33 and 48/35.

Pros: Measures both legs, accurate and reliable
Cons: Have to change crankset, more expensive

ROTOR INspider Power Meter and Cranksets

Compatible with any of ROTOR’s newer direct mount cranksets, the INspider can be used on either CX or gravel bikes. You can set this power meter up in a 1x or 2x chainring configuration and ROTOR offers a range of 110 BCD chainring sizes to fit your needs. You can purchase just the power meter spider, or the entire crankset with power meter.

Pros: Measures both legs, accurate and reliable
Cons: Have to change crankset, more expensive

power2max NGeco ROTOR ALDHU Gravel Power Meter Cranksets

We saved one of our favorites for last. The power2max ROTOR ALDHU Gravel power meter is sold as a complete crankset: power meter spider, crank arms and chainrings. Using GRX spacing with a narrow road Q factor, the power2max power meter allows you to run a 1x or 2x chainring. Also, if you currently have a GRX crankset on your bike, the 24MM version uses the same spindle as your GRX, so it’s very easy to change your current crankset out for this new one. power2max gravel power meters are accurate, reliable and durable.

Pros: Measures both legs, accurate and reliable. Staff favorite
Cons: Have to change crankset, more expensive

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