The new Gen 3 single-sided Stages Power R meter is built on to a drive-side Shimano Ultegra R8000 crank arm and is compatible with all frames that fit Shimano Hollowtech II cranks. *Does not include left side crank arm.

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.

Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system.

Additional features:

± 1.5% accuracy in all conditions

Active temperature compensation

Accelerometer based cadence measurement

Wirelessly upgradable firmware

LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset

Updated accelerometer and addition of gyroscope for improved cadence resolution

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

Compatibility

This Shimano Ultegra R8100 Stages Power meter is compatible with all Shimano Hollowtech II road left arms. Comes complete with your desired chainrings pre-installed (50/34, 52/36, or 53/39)

Frame Compatibility: All frames that are compatible with Shimano Hollowtech II cranks

Device Compatibility: ANT+, Bluetooth Smart Ready

Software Compatibility: Stages Link, Training Peaks, Strava, Garmin Training Center and others

In The Box

Power Meter

High quality CR2032 coin cell battery

Lifetime access to Stages Link for power meter management and firmware upgrades.

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

Product Identification Card with Serial Number and ANT+ I.D. Number.

User Guide