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Stages Power Meter Dura Ace R9100 Dual

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Provides individual measurement of Right & Left Power

Remarkably light: adds a mere 35g to the crank weight

Individual measurement of both left and right pedaling inputs, including Pedaling Smoothness and Torque Effi ciency metrics

Active Temp Compensation (ATC) ensures consistent accuracy

+/-2% accuracy of total measurement at 100w/90rpm

IPX7 water resistance rating

175+ hours of battery life from a user replaceable 2032 coin cell

Internal sensors measure cadence, omitting need for a magnet

Wireless fi rmware update capability via the Stages App