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Stages Power L - Shimano GRX

Stages Power L - Shimano GRX

+/-1,5% accuracy, adds 15g to base crankarm, 200+ hours battery life, Active Temperature Compensation, accelerometer based cadence measurement, LED indicator, Bluetooth/ANT+ transmission

Currently out of stock. Due to Covid-19 effects the expected delivery date will be within 20 to 24 weeks. Still to be ordered as Factory Install model.*

The single-sided Stages Power L meter is built on to a non-drive-side Shimano GRX RX810 crank arm and is compatible with Shimano GRX Hollowtech II drivetrains. 



+/- 1,5% accurate in all conditions

 Power meter housing

low profile design, with robust door interface. Tool free battery replacement on the left arm


Only adds 15g to base crank set

 Battery life

200+ hours (coin cell: CR2032) when used as a single sided meter

 Power range (Watts)

0 - 2500

 Cadence range (rpm)

20 - 220

 Water resistance rating


Tour Proven
Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’’s best product proving ground, then Stages Power is proven as the world’’s best power meter.

Active Temperature Compensation as standard equipment
Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. ATC is the key reason a rider can trust data from Stages Power in all conditions.

Individual meter calibration for the most accurate results
Each Stages Power meter is calibrated individually to ensure a +/- 1,5% accuracy level, which is an industry best for non-scientific power meters. 


 Crank length

170mm, 172.5mm, 175mm

Additional Features

Active temperature compensation

Accelerometer based cadence measurement or the option to use a Hall-Effect based system with magnet (coming soon)

Wirelessly upgradable firmware

LED indicator for visual indication of battery levels and zero reset confirmation without connected app or headunit

Updated accelerometer and addition of gyroscope for improved cadence resolution

Upgraded BLE and ANT+ radios offer a 6x improvement of data transmission strength


 Crank Compatibility 

Compatible with Shimano GRX RX810 and RX600 drive side crank arms 

 Frame Compatibility

Most frames, see fit guide in our Support section 

 Software Compatibility

Stages Link, Training Peaks, Strava, Garmin Training Center and others 

 Device Compatibility

ANT+, Bluetooth Smart Ready 

In the Box

Power meter

High quality CR2032 coin cell battery

Lifetime access to Stages Link for power meter management and firmware upgrade

2 months free access to Stages Link premium training and coaching features

Product Identification Card with Serial Number and ANT+ ID Number

User Guide