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Stages Power L - Cannondale HollowGram Black 2021

Stages Power L - Cannondale HollowGram Black click to zoom image

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Model Year 2021
Options 165mm Black
170mm Black
172.5mm Black
175mm Black

The power meter tech behind seven Grand Tour wins is now available for Cannondale's latest HollowGram Si cranks helping you unlock your true potential as a rider whether you're flying up mountain passes testing your limits on gravel or going full send on the trails.

Stages Power has carried riders to five Tour de France victories plus wins in the Giro and Vuelta along with 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.

ATC - Active Temperature Compensation

The 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 a key reason riders trust data from Stages Power no matter how much the day warms or temperatures plummet as you crest an Alpine peak.

Individual Calibration For The Most Reliable Results

Each Stages Power meter is assembled in Stages' own state-of-the-art facility in Colorado USA. Here every single unit is calibrated individually to ensure a +/- 15% accuracy level - an industry best for non-scientific power meters.


  • Stages Power L Accuracy: +/- 1.5% (compared with Generation 2 Accuracy: +/- 2%)
  • Weight: Only less than 20gr to base crank arm
  • Battery Life: 200+ hours (coin cell: CR2032)
  • Power range (Watts): 0 - 2500
  • Cadence range (rpm): 20 - 220
  • Water resistance rating: IPX7
  • Device Compatibility: ANT+ Bluetooth Smart Ready
  • Software Compatibiity: Training Peaks Strava Garmin Training Center and others


  • Tool free battery replacement
  • Active temperature compensation
  • Accelerometer based cadence measurement
  • Wireless firmware upgrades
As with any product, specification is subject to change without prior notification. Whilst we always do our best ot keep product details and photographs up to date, You are advised to confirm current specification before buying.
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