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Quarq DZero Powermeter Spider for Specialized, 110mm BCD, Spider Only

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Quarq's power meter technology is reliable, accurate and easy to use. Now available as a spider by itself as an easy upgrade for existing cranks. The DZero series offers improved data transfer and frame fit compatibility.

  • Compatible with these power meter cranks: Quarq Elsa RS, Quarq Riken Al, Quarq Riken R (produced July 2015 and later), SRAM XX1, 2016 and later SRAM Red power meter cranks (Red eTap graphics)
  • Compatible with these non power meter cranks: Quarq Prime and SRAM Red BB386EVO
  • Not compatible with Quarq Elsa R cranks
  • Measures power for both legs with +/_ 1.5% accuracy
  • Dual Bluetooth lowenergy and ANT+ wireless data transfer
  • AxCad system provides no-magnet cadence data
  • Free firmware updates with the QALVIN APP
  • Uses a CR2032 battery that can be replaced without tools