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Compatible with both ANT+ / Bluetooth Smart signals, it can pair to any compatible head unit for data display. This is the Shimano Dura Ace R9100 version, compatible with all Shimano Hollowtech II road drivetrains.
- ± 1.5 % accuracy
- Compatible with both ANT+ / Bluetooth Smart signals
- CR2032 battery
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Review Stages Dura Ace R9100 Power Meter Crank Arm Left 172.5mm
