Quarq ELSA RS Power Meter Shimano Dura Ace 9000 11 Speed Crankset
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.
ANT+™
+/- 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) |
| Compatibility |
Shimano® Hollowglide™ 11-speed chain rings |