Stages Power Shimano Dura-Ace Dual Sided Power Meter Helmets

Stages Power Shimano Dura-Ace Dual Sided Power Meter HelmetsThe Stages Power meter is built on Shimano Dura Ace R9200. HIGHLIGHTS The Stages Power meter is built on Shimano Dura Ace R9200. The Stages Power meter is placed on both sides of the crank in order to independently measure a rider's left and right legs. FEATURES Accuracy: 1. 5% Power meter housing: low profile design, with robust door interface Weight: Only adds 15g to the base crank arm Battery Life: 175+ hours (coin cell: CR2032) Power range

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