Quarq DZero for Specialized


Quarq DZero for Specialized replaces the factory spider on Specialized’s S-Works carbon crankset. It is compatible with cranksets from 2013-Current. Learn more about compatibility.



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DZero is Quarq’s next-generation power meter platform for those who live to be challenged, pushed, and tested in the toughest scenarios imaginable. Now Quarq has introduced a DZero spider designed to replace the factory spider on Specialized’s S-Works carbon crankset.

Quarq DZero for Specialized embodies 10 years of Quarq advances in power meter technology, plus new features such as dual Bluetooth low energy and ANT+ wireless data transfer, revised circuitry, a new strain gauge design and the Qalvin BLE app. You also get AxCad accelerometer cadence, the easy-to-replace CR2032 battery, an IPX7 waterproof rating and a 2-year warranty.

Quarq DZero for Specialized is available through Quarq distributors and dealers worldwide, and on the website.

$779 / €779 / £660

Features & Benefits

  • 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

  • Traditional 5-arm spider compatible with Specialized S- Works Carbon Road Crank Arms from 2013-Current.
  • Available in 130 BCD and 110 BCD.
  • Replaces the standard spider.
  • A Specialized lock ring tool is required for installation.

Additional information

Bolt Circle Diameter

110 BCD, 130 BCD


Compatible with Specialized S- Works Carbon Road Crank Arms from 2013-2017. Works with traditional 5 bolt chainrings from most manufacturers. Not compatible with Campagnolo® chainrings.


CNC Machined Aluminum Spider



Wireless Technology

ANT+, Bluetooth low energy technology


CR2032, 200 hours of riding time


Road, Triathlon, CX, Adventure


142/122g (130/110 BCD)