DZero Powermeter Spider for Specialized, 130mm 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 low-energy 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
Fits Specialized S-Works carbon cranks
A Specialized lock ring tool is required for installation
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