Quarq ELSA RS Power Meter Shimano Dura Ace 9000 11 Speed Crankset

Regular Price
Sale Price
Regular Price
Sold Out
Unit Price
translation missing: en.general.accessibility.unit_price_separator 
Chainring Combination 50-34 Compact
Arm Length 170 mm

Available in 170 mm – 17 5mm lengths and built on Quarq’s current technology 
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.
+/- 1.5% accuracy
Exogram™ Hollow Carbon crank arms
Power Balance™

Material Exogram™ Hollow Carbon crank arms, CNC machined AL spider
Accuracy 1.5%
Bolt Circle Diameter 110 BCD (four-arm)
Arm Lengths 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm
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)


Shimano® Hollowglide™ 11-speed chain rings