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