SRAM Quarq Power Meter

Spider-based crank power meter with the DZero as the current primary model. Measures total power at ±1.5% accuracy with OmniCal for post-chainring-swap accuracy and Axcad spindle-based cadence. CR2032 battery for 200 hours, transmits via ANT+ and Bluetooth LE.

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Sarah Sturm

Connection note

Crank-based power

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Last updated March 22, 2026