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Quarq DFour 11R-110 Road Powermeter – Rings and Bottom Bracket Not Included
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Every innovation in Quarq’s next-generation DZero platform is channeled into DFour. It embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.
- Designed for Dura-Ace 9000 chainrings. Compatible with Ultegra 6800 and 105 5800 chainrings.
- Must be paired with a compatible SRAM bottom bracket.
- ELSA RS power meter owners can upgrade using the DFour Power Meter Spider.
- Free firmware upgrades with the Qalvin app.
- BB30 versions ship with the spacers and wave washer required for BB386EVO installation.
Key Features:
- Bluetooth low energy technology and ANT+ wireless data transfer.
- AxCad – no magnet.
- 10K Temperature Compensation.
- Battery – CR2032, 200-hour battery life, change without tools.
- OmniCal – swap chainrings without affecting accuracy.
- 2-year warranty.
- IPX7 waterproof rating.
- Accuracy – within 1.5%, measuring both legs.
Specifications:
- Material – CNC Machined Aluminum Spider, Exogram™ Carbon Crank Arms
- Accuracy – 1.5%
- Bolt Circle Diameter – 110 Asymmetric BCD
- 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, BB386EVO, BB30A, PF30A
- Wireless Technology – ANT+, Bluetooth low energy technology
- Battery – CR2032, 200 hours of riding time
- Weight – 588g
- Head Unit – ANT+™ and Bluetooth® low energy technology compatible head units (available separately)
- Analysis Software – TrainingPeaks WKO4®, TrainingPeaks®, Today’s Plan, Golden Cheetah, Strava® and others (available separately)
- Compatibility – Shimano® 11-speed chainrings (except for R9100). Designed for Dura-Ace® 9000. Compatible with Ultegra® 6800 and 105® 5800.
Occasionally, without notice, manufacturers change product design and/or specifications.
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