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What gravel power meter can I use with my Shimano GRX crankset?

You have a couple of great gravel power meter options for a Shimano GRX crankset:

 

Left Crank Arm Power Meter

Both 4iiii and Stages make a Shimano GRX RX810 power meter which is compatible with all Shimano GRX cranksets including GRX RX600. With this type of power meter, you swap out your current left crank arm for the new power-equipped version. These power meters are affordable and easy to install. The trade-off is they only measure left leg power.

Please note, whenever you are installing a left side power meter crank arm, you need to confirm you have 10mm of clearance between the left crank arm and the chainstay in order for the sensor to clear. Please see the image below.

The clearance between the frame and left side power meter crank arm

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

 

Spider Power Meter

This power2max power meter is a direct replacement for your Shimano GRX crankset. The power2max Gravel Power Meter Crankset uses the same 24MM spindle as your GRX crankset, so this power meter fits your current bottom bracket without any changes. This makes installation very easy. Even better, the power meter gives you a narrow road Q factor vs. the slightly wider Q factor inherent in GRX cranks and allows you to run a 1x or 2x chainring set-up.

Pros: Moderately priced, VERY reliable, measures both legs
Cons: None

 

Power Meter Pedals

MTB power meter pedals can be installed on any gravel crankset. We have both the Garmin Rally XC and the SRM X-Power.

Pros: Easy to install, works on any bike, can move from bike to bike, don’t have to change crankset
Cons: None

Power Meter City

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