Quarq DFour Power Meter Spider Only

$779.99
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UPC:
710845795701
Quarq DFour Power Meter Spider Only

Use the Quarq DFour Power Meter Spider to upgrade a Quarq ELSA RS Power Meter to the DZero platform.

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

Features & Benefits

  • Bluetooth low energy technology and ANT+ wireless data transfer.
  • AxCad – no magnet.
  • 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.
  • Uses the 8-Bolt crank to spider interface.
  • Quarq ELSA RS Power Meter owners can upgrade to the DZero platform with a DFour Power Meter Spider.
  • Additional clearance to fit BB386EVO bottom brackets.

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