Quarq DFour DUB Spider Power Meter
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Quarq DFour DUB Spider Power Meter
Code: PMQ2680
Quarq DFour DUB Spider Power Meter
The Quarq's DFour DUB power meter spider must be paired with a compatible Quarq DZero DUB crankset and SRAM DUB™ bottom bracket. DFour DUB is designed for Dura-Ace R9100 chainrings
Every innovation in Quarq’s DFour platform represented the 10+ years of Quarq’s advances in power meter technology. This same platform is now combined with SRAM’s innovative DUB technology to bring you the simplest spider-based power meter. Simplified part choices, quality materials and a broader compatibility for bottom brackets and chainrings, brings power on every ride.
  • MagicZero™: Automatic calibration as you ride. No need to back pedal or manually calibrate through your headunit.
  • 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.
  • IPX7 waterproof rating.
  • Accuracy within 1.5%, measuring both legs.
  • Free firmware upgrades with the SRAM AXS app.
  • Essential Details
  • Designed for Dura-Ace® R9100 chainrings. Compatible (it will not match aesthetically) with Ultegra® R8000  and 105® R7000 chainrings. ( Shimano 4 x 110 BCD)
  • Only compatible with Quarq DZero DUB cranks and SRAM DUB bottom bracket.