Power Meter Crankset

Power Meter Crankset


The DURA-ACE FC-R9100-P Dual Sided power meter crankset is Shimano's very first Power Meter.

It comes with a battery integrated and the left and right side of the power meter are connected using a wire that runs through the Hollowtech II spindle,

The claimed battery life is 300 hours of ride time and its stated accuracy is about 2%. As of February 2019 it supports both BluetoothLE and ANT.

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