Quarq DFour91 Power Meter

$1,179.00
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UPC:
710845753909
Quarq DFour91 Power Meter sport factory

Note: This product usually ships in 3-5 business days but some units may take longer.  Please call 678-388-9835 for specific shipping information.

Make the most of your Shimano® Dura-Ace® R9100 groupset by upgrading to Quarq’s DFour91power meter, which embodies all the advances of the next-generation DZero platform.

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.

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® R9100 chainrings.
  • Must be paired with a compatible SRAM bottom bracket.
  • BB30 versions ship with the spacers and wave washer required for BB386EVO installation.
  • 8-bolt power meter owners can upgrade using the DFour91 Power Meter Spider.

 

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