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
- Fits Specialized S-Works carbon cranks
- A Specialized lock ring tool is required for installation
SHIPPING & DELIVERY
We offer Free Ground Shipping on all orders over $49, and orders under $49 ship for just $4.99. Orders generally ship within 1 business day and arrive at most locations in the lower 48 states in 2-3 business days.
RETURNS & EXCHANGES
We offer 90 Day No Hassle Returns & Exchanges of unopened and unused items. Shop with confidence and keep only the products you love.