SPECIALIZED, POWER CRANKS ULTEGRA 8000 LEFT UPGRADE 170 - Black
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- +/- 1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO.
- Works with ANT+ and Bluetooth® devices.
- Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available).
- Shimano 8000 generation Ultegra left-side power measurement.
- Right crankarm and chainring NOT included.
- Available in 170-175mm crankarm lengths.