Features 10K - active temperature compensation calibrated with over 10,000 data points AxCad accelerometer cadence IPX7 waterproof rating - 1M depth for 30 minutes ExogramTM Hollow Carbon crank arms Power BalanceTM OmniCalTM LED indicator CR2032 battery - 300 hours of riding time ANT+TM +/- 1.5% accuracy Overview Quarq's ELSA RS packs a four-pronged punch to elevate performance for the Shimano® equipped bike and rider. Specially designed to accommodate Shimano's 4-arm HollowglideTM chain rings, the spider houses integrated electronics, a CR2032 battery, LED indicator and visible ANT+TM ID. Quarq's new multipoint, active temperature compensation fine-tunes accuracy and consistency, making this our most exact power meter to date.
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