Stages Gen 3 Power Meter L Cannondale Si HG 165mm

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.