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

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.

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SRAM QUARQ dFour Power Meter Crank

  • Brand: SRAM
  • Product Code: SRAM QUARQ dFour Power Meter Crank
  • Availability: 7-14 Days
  • 1,029.00€
  • 919.00€

  • Ex Tax: 747.15€

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