Quarq’s next generation in power meters, DZero combines 10 years of technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app, and compatibility with Boost 148 (52mm chainline) and BB386EVO bottom brackets.

Bluetooth low energy technology and ANT+ wireless data transfer
AxCad - no magnet
10K Temperature Compensation
Battery - CR2032, 200-hour battery life, change without tools
OmniCal - swap chainrings without affecting accuracy
2-year warranty
IPX7 waterproof rating
Accuracy - within 1.5%, measuring both legs