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    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 Hollowglide™ chain rings, the spider houses integrated electronics, a CR2032 battery, LED indicator and visible ANT+™ ID. Quarq’s new multipoint, active temperature compensation fine-tunes accuracy and consistency, making this our most exact power meter to date.

    Key Features:
    • Power measurement in the crankset spider — the heart of your bicycle, its sole job is to convert the effort from both legs to forward motion.
    • 10K™ temperature compensation eliminates temperature effects on power measurement.
    • AxCad™ accelerometer cadence removes the need for a magnet.
    • An LED and visible ANT+™ ID streamline installation and operation.
    • OmniCal™ means you can change chainrings without affecting accuracy.
    • CR2032 battery – 300 hours of riding time.
    • ANT+
    • +/- 1.5% accuracy
    • Exogram™ Hollow Carbon crank arms
    • Power Balance™
    • Quarq power meters have an IPX7 waterproof rating. They feature a 2-year warranty, free firmware updates and Quarq’s acclaimed worldwide support.

    • Material - Exogram™ Hollow Carbon crank arms, CNC machined AL spider
    • Accuracy - 1.5%
    • Bolt Circle Diameter - 110 BCD (four-arm)
    • Q-Factor - 145mm
    • Bottom Bracket - GXP, Press Fit GXP, BB30, Press Fit 30, BBright
    • Wireless Technology - ANT+
    • Battery - CR2032 - over 300 hours of riding time
    • Weight - 616g (172.5mm, GXP)
    • Head Unit - ANT+™ compatible head units including Garmin Edge® 1000, 810, 800, 510 and 500, and Garmin Forerunner® 910XT (available separately)
    • Analysis Software - TrainingPeaks WKO+®, TrainingPeaks®, Golden Cheetah, Strava® (available separately)
    • Compatibility - Shimano® Hollowglide™ 11-speed chain rings

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