SRAM'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.
- Fits 8-Bolt interface Quarq XX1 Power Meters (8-Bolt used since Aug '14)
- 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
- Boost 148 compatible
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