Quarq DFour Carbon Power Meter Chassis

$1,849.00

Designed for Shimano 11-speed groupsets and Dura-Ace® 9000 chainrings. Compatible with Ultegra® 6800 and 105® 5800 chainrings.

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Description

Every innovation in Quarq’s next-generation DZero platform is channeled into the Shimano®-compatible DFour power meter. Designed for Shimano®’s lightweight, ergonomic Dura-Ace® groupset, DFour is Quarq’s most advanced Shimano®-compatible power meter ever. DFour 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.

The DFour power meter works with Shimano®’s 11-speed Dura-Ace® 9000, Ultegra® 6800 and 105® 5800 chainrings.

Features & Benefits

  • Exogram carbon crank arms.
  • Bluetooth low energy technology and ANT+ wireless data transfer.
  • AxCad – no cadence magnet required.
  • 10K Temperature Compensation.
  • Battery – CR2032, 200-hour battery life, change without tools.
  • Power Balance.
  • OmniCal – swap chainrings without affecting accuracy.
  • 2-year warranty.
  • IPX7 waterproof rating.
  • Accuracy – within 1.5%, measuring both legs.
  • Free firmware upgrades with the Qalvin app.

Essential Details

  • Designed for Dura-Ace® 9000 chainrings. Compatible with Ultegra® 6800 and 105® 5800 chainrings.
  • Must be paired with a compatible SRAM bottom bracket.
  • Quarq ELSA RS Power Meter owners can upgrade using a DFour Power Meter Spider.
  • BB30 versions ship with the spacers and wave washer required for BB386EVO installation.

 

Bolt Circle Diameter Shimano® 4-Arm
Compatibility Shimano® 11-speed chainrings (except Dura-Ace® R9100). Designed for Dura-Ace® 9000. Compatible with Ultegra® 6800 and 105® 5800.
Material CNC Machined Aluminum Spider, Exogram Carbon Crank Arms
Accuracy 1.5%
Bottom Bracket GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A
Q Factor 145mm
Wireless Technology ANT+, Bluetooth low energy technology
Battery CR2032, 200 hours of riding time
Weight 588g

*Chainrings not included with power meter.

Additional information

Weight N/A
Dimensions N/A
Crankarm Length

165mm, 170mm, 172.5mm, 175mm, 177.5mm

Spindle

GXP (22/24mm), BB30 (30mm)

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