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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 20 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.
- 2500 watts Cadence Range: 20.
- Tool-free battery replacement.
- Active temperature compensation.
- Accelerometer-based cadence measurement.
- Wireless firmware upgrades.