Stages Dura-Ace 9100 Power Meter – Left Side


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The single-sided Stages Power L (left-side) meter is built on to a non drive-side Shimano Dura-Ace R9100 crank arm and is compatible with all frames that fit Shimano Hollowtech II cranks. This new meter is founded on Stages Power technology, including Stages’ defining Active Temperature Compensation feature in a package that offers the most technical cyclist the data they crave.


INDUSTRY-LEADING ACCURACY = REAL-WORLD RESULTS Enhanced resolution of strain gauge readings allow for more accuracy in power readings. Every power meter is calibrated and tested to +1.5% accuracy, which is the highest attainable outside strictly-controlled laboratory conditions.

BOOSTED TRANSMISSION Transmitter is now 6x more powerful than anything before! The increased signal strength of ANT+ and Bluetooth Smart allows for optimal performance with all paired devices, particularly watches!

LED STATUS INDICATOR Provides information visually without requiring a paired connection to a separate device. LED indicator displays battery level at start up (with no need for connection with an App), and confirms successful zero reset.

UPGRADED ACCELEROMETER Faster sampling rates and improved resolution with addition of gyroscope - perfect for those in need of ultra high speed data capture!

UPGRADE TO DUAL SIDE - L/R Ability to upgrade with Stages Power R (drive-side) power meters to Stages Power L/R (dual) meter systems.



STAGES LINK PREMIUM ONLINE TRAINING PLATFORM Lifetime access to Stages Link for power meter management and firmware upgrades. Also, 2 months FREE access to Stages Link premium training and coaching features.

TOUR PROVEN Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If racing provides the world's best product testing ground, then Stages Power is proven as the world's best power meter.

THE SCIENCE OF STAGES Stages power meter is: Downright miniature. Under 20g. Made from the same material as bullet proof glass. Simply put, the Stages Power meter sports the most advanced technology employed in the power meter category, all while being one of the easiest to maintain and simplest to use.

ACTIVE TEMPERATURE COMPENSATION ATC allows the power meter to compensate for temperature changes that would otherwise affect the strain gages and their ability to accurately measure force. More importantly, Stages ATC auto-adjusts on the fly, without the need to stop pedaling.

EASY BATTERY REPLACEMENT Get over 200 hours from a single coin-cell battery. When it is time to replace, the right side requires only a phillips-head driver.

STAGES POWER APP - WIRELESS %%update%%S Manage your Stages Power meter with the Stages Power App - check for new firmware, install updates, monitor battery status and more!

DURABILITY With no external or moving parts, a waterproof housing, and a user-replaceable battery, Stages Power meters handle all weather conditions and all riding styles.


WEIGHT Adds only 20g to the crank arm.



  • Weight - Only adds 20gr to the crank arm
  • Water Rating - IPX7
  • Crank Length - 165, 167.5*, 170, 172.5, 175, 177.5*, 180* mm (*available by special request)


  • Power range (Watts) - 0 to 5000
  • Cadence range (rpm) - 20 to 220
  • Accuracy -+1.5%


  • Type - 1x CR2032 coin cell
  • Life - 200+ hours of battery life


  • Supports - ANT+, Bluetooth Smart (4.0 or later)
  • %%update%%s - via Stages Power App


  • Stages DA9100 Non-Drive Side Power Meter
  • 1x CR2032 Coin Cell
  • Documentation