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DZero Compact BB30 Powermeter Crank
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DZero Compact BB30 Powermeter Crank
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Item no.: 20065321
  • Description

    QUARQ DZero Compact BB30 Powermeter Crank Cranks

    The DZero platform embodies 10 years of Quarq’s technology advances and adds new features such as dual Bluetooth low energy and ANT+ wireless data transfer, and the Qalvin BLE app.

    Features - DZero Compact BB30 Powermeter Crank with 110mm bolt circle diameter

    • Forged aluminum crank arms
    • Bluetooth low energy technology and ANT+ wireless data transfer
    • AxCad – no cadence magnet required
    • 10K Temperature Compensation.
    • Battery – CR2032, 200-hour battery life, change without tools
    • OmniCal – swap chainrings without affecting accuracy
    • Power Balance
    • IPX7 waterproof rating
    • Accuracy – within 1.5%, measuring both legs
    • Free firmware upgrades with the Qalvin app
    • Variations include Hidden Bolt (HB), Non-hidden Bolt (NHB)
    • Pairing a HB version and SRAM chainrings will align the chain derailment pin and crank arm
    • NHB versions work with traditional 5-bolt chainrings from most manufacturers

    Product features

    • Use: Road, Triathlon
    • Crank Arms: DZero
    • Model: QUARQ BB30
    • Mounting: 110mm BCD
    • Axle diameter: 30mm
    • Bottom bracket: BB30
    • Gear front: 1/2-speed
    • Gear rear: 10/11-speed
    • Q-Faktor: 145mm
    • Chain line: 45mm
    • Battery: CR2032
    • Battery Life: approx 200 hours
    • Accuracy: +/- 1.5%
    • Waterproof Rating: IPX7
    • Data Transfer: ANT+, Bluetooth® Smart (4.0/LE)

    Variation / Crank Arm Length (choose variant)

    • HB / 170mm
    • HB / 172.5mm
    • HB / 175mm
    • NHB / 170mm
    • NHB / 172.5mm
    • NHB / 175mm


    • Crank arms: Forged aluminum
    • Powermeter: Aluminum


    • black


    • 780g (manufacturer information)

    Scope of delivery

    • QUARQ DZero Compact BB30 Powermeter Crank
    Chainring and Bottom bracket BB30 not included!


    Quarq technology powers SRAM’s road power meters including the groundbreaking SRAM RED Quarq Power Meter.

    Quarq DZero: Whatever the Path

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