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Stages Cannondale Hollowgram Si Power Meter

Josh Matthew January 15, 2020
5.00 out of 5 based on 2 customer ratings
(2 customer reviews)


Stages power for your Cannondale Hollowgram Si crank!

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Stages Cannondale Hollowgram Si Power Meter

The Stages Cannondale Hollowgram Si Power Meter is a BB30 compatible upgrade for existing Cannondale 2014 Hollowgram Si model cranks. This power meter will also work with Hollowgram SISL2 model cranks. The power meter features +/- 1.5% accuracy and 200 hours of battery life. Stages power meters run off the popular CR2032 battery and feature tool free battery replacement. In addition, it is extremely lightweight – adding only 15 grams to the weight of the crank arm. The power meter is compatible with both ANT+ and Bluetooth SMART devices, which means you can use your favorite bicycle computer as well as a smartphone or tablet.

The new Stages Generation 3 power meter features radio antennas that are 6x more powerful than the previous version. This means better compatibility with both bike computers and watches. The new versions also feature improved accuracy and have an LED indicator light on the housing for improved ease of use.



Crank arm lengths: 165 mm | 170 mm | 172.5 mm | 175 mm



This power meter is compatible with 2014 or newer Cannondale Si, Hollowgram Si and Hollowgram SiSL2 cranks.


In the Box

  • Stages power meter
  • 2032 coin cell battery
  • Quick Start guide


Stages Cannondale Hollowgram Si Specs

NameStages Cannondale Hollowgram Si
Bike TypeRoad
Location of Power MeasurementCrank Arm
Left or Both Legs MeasuredLeft only
Independent Left/Right MeasurementNo
Communication ProtocolANT+ and Bluetooth SMART
Claimed Accuracy+/- 1.5%
Weight15 grams (added weight)
Battery TypeCR2032 coin cell
Battery Life200+ hours
Method of Cadence MeasurementAccelerometer
Warranty1 year


2 reviews for Stages Cannondale Hollowgram Si Power Meter

  1. Avatar

    Timothy Hall (verified owner)

    Purchased the Stages power meter for Cannondale as a replacement for another brand that just didn’t work out. Quick shipping. Easy installation. Easy calibration. Works well with my Wahoo Elmnt computer. And it works. Every time. Provides accurate (or as accurate as can be for single sided) measurements. It has made my limited training time more efficient. Customer service has been excellent as these guys went out of their way to make me happy. Would surely purchase from PowerMeterCity again.

    • Power Meter City

      Power Meter City

      Hi Timothy. Thanks for the awesome review and glad we found something that works right for you. We’re here if you need anything else!

  2. Avatar

    Patrick (verified owner)

    I ordered this power meter after having had problems with another, far more expensive brand. First of all I have to say that the ease of ordering and the speed of delivery from power meter city is just fantastic. It took me five minutes to install this on my Cannondale and then I was off out on a 174 kilometer ride. Through wet, cool and scorching hot conditions, this meter has given me good, accurate data. Battery life is really good too. I am a very happy customer.

    • Power Meter City

      Power Meter City

      Hi Patrick. Thanks for the great review on your Stages. We like nothing more than happy customers! Please let us know if there is anything else we can do.

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