DZero - Spider Only



With a new measurement circuit, a revised strain gauge design, improved accuracy throughout the pedal stroke and software advances built into the Qalvin App, DZero represents the state of the art in power meter technology.

Please note that, due to high demand, delivery may take up to 30 days.


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, for the carbon version, compatibility with BB386EVO bottom brackets.

Like its Quarq brethren, the new DZero platform measures power in the heart of the bicycle - the crankset spider, scientifically proven to be the most accurate place to measure power.

DZero power meters inherit 10K temperature compensation, easy-to-replace batteries, OmniCal (change chainrings without affecting accuracy), AxCad (accelerometer cadence – no magnet), an IPX7 waterproof rating and a 2-year-warranty.


Dual Bluetooth low energy technology and ANT+ wireless data transfer letting you choose how to capture the data
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
A simplified product line, making it easier to choose and install the right power meter for your bike
Increased compatibility, including Boost 148 (52mm chainline) mountain bikes and BB386EVO bottom brackets


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