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Quarq DFour Power Meter Crankset - BB30/110 BCD

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Average connection time 25 secs

Average connection time 25 secs

Dzero Innovation for Shimano Bikes

The DFour power meter is a bolt-on upgrade for Shimano’s 11-speed Dura-Ace 9000, Ultegra 6800 and 105 5800 drivetrains.

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.

Compatibility

Every innovation in Quarq’s next-generation DZero platform is channelled 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 BLE app.
  • BB30 versions ship with the spacers and wave washer required for BB386EVO installation.

Specifications:

  • Material: CNC Machined Aluminium 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: BB30
  • 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)
  • Compatibility: Shimano® 11-speed chainrings (except for R9100). Designed for Dura-Ace® 9000. Compatible with Ultegra® 6800 and 105® 5800.
Range:
  • Quarq
Discipline:
  • Road
  • Time Trial
Speed:
  • 11 Speed
Brand Compatibility:
  • Shimano
  • Electronic
  • Mechanical Drivetrain
  • Electronic Drivetrain
Brand:
  • SRAM

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is:

How will I know it has been sent?

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing My Account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

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