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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.
Specifications:
- 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
Occasionally, without notice, manufacturers change product design and/or specifications.
Quarq Elsa RS Powermeter Road Crankset - Rings and Bottom Bracket Not Included
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