SRAM Quarq DZero

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  • Quarq DZero Aluminum Power Meter Chassis


    Quarqs 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 along with the new Qalvin BLE app.

    The Aluminum BB30 cranks are not compatible with BB386EVO and BBRight bottom brackets.
    For more information please follow this link! Quarq Power Meters


    When we set out to build the next generation Quarq power meter, we wanted to build the best-performing power meter for every facet of cycling and triathlon, and for riders at every level.Like its Quarq brethren, the new DZero measures power in the heart of the bicycle the crankset spider, scientifically proven to be the place for the most accurate measurement. 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.

    • 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.

    Quarq Technology

    10K temperature compensation

    Eliminates variables caused by heat and cold to provide an unwavering record of your performance through all conditions.

    Built to last

    An IPX7 waterproof rating, an easy-to replace CR2032 battery, a 2-year warranty, free firmware updates and acclaimed worldwide support.

    Easy to use (and reuse)

    Manual and automatic zeroing make Quarq power meters truly set and forget. The chainrings are replaceable should your bike, discipline or ability change.

    Qalvin BLE with Bluetooth

    For iOS and Android. With any phone you can set zero offset, check battery, run diagnostics and update firmware. Free.


    • Works with traditional 5-bolt chainrings from most manufacturers.
    • Variations include Hidden Bolt (HB), Non-hidden Bolt (NHB).
    • The DZero Power Meter Spider pairs with Quarq Prime.
    • Existing owners can upgrade to a DZero spider if the power meter uses the 8-bolt interface.
    • Free firmware upgrades with the Qalvin BLE app.
    • Forged aluminum models do not work with BBright or BB386EVO bottom brackets.


    Material: CNC Machined Aluminum Spider, Forged Aluminum Carbon Crank Arms
    Accuracy: 1.5%
    Bolt Circle Diameter: 130 BCD, 110 BCD
    Arm Lengths: 165mm, 170mm, 172.5mm, 175mm
    Q-Factor: 145mm
    Bottom Bracket: GXP, BB30
    Wireless Technology: ANT+, Bluetooth low energy technology
    Battery: CR2032, 200 hours of riding time
    Weight: 799g/780g (130/110 BCD)
    Head Unit: ANT+ and Bluetooth low energy technology compatible head units (available separately)
    Compatibility: Traditional 5 bolt chainrings from most manufacturers. Hidden (HB) and Non-hidden Bolt (NHB) patterns. 10-speed, 11-speed, 1X and 2X. Not compatible with Campagnolo chainrings.


    The team at Quarq are decidedly science geeks. The Spearfish, S.D., company was named after the quark, the elementary particle that has never been observed or isolated. The DZero detector involves an intense search for subatomic clues that could reveal the building blocks of the universe. Its one of the worlds most sensitive and accurate devices just like Quarq Power Meters.
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