SRAM RED DZero Carbon Power Meter Chassis


Built specifically for SRAM’s groundbreaking RED groupset, and compatible with all of SRAM’s road groupsets

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The SRAM RED DZero Power Meter embodies 10 years of Quarq’s technology advances and adds new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.

Features & Benefits

  • Exogram carbon fiber 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.
  • Power Balance.
  • OmniCal – swap chainrings without affecting accuracy.
  • 2-year warranty.
  • IPX7 waterproof rating.
  • Accuracy – within 1.5%, measuring both legs.
  • Free firmware upgrades with the Qalvin app.

Essential Details

  • Works with SRAM 11-speed drivetrains and the SRAM RED 10-speed drivetrain.
  • Available in Hidden Bolt (HB) only.
  • Compatible SRAM chainrings ensure the chain derailment pin aligns with the crank arm.
  • BB30 versions ship with the spacers and wave washer required for BB386EVO installation.


Bolt Circle Diameter 110 BCD, 130 BCD
Compatibility SRAM 11-speed drivetrains and the SRAM RED 10- speed drivetrain. 1X and 2X.
Material CNC Machined Aluminum Spider, Exogram Carbon Crank Arms
Accuracy 1.5%
Bottom Bracket GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A
Q Factor 145mm
Wireless Technology ANT+, Bluetooth low energy technology
Battery CR2032, 200 hours of riding time
Weight 578/559g (130/110 BCD)

Additional information

Weight N/A
Dimensions N/A
Crankarm Length

165mm, 170mm, 172.5mm, 175mm, 177.5mm


130 BCD HB, 110 BCD HB


GXP (22/24mm), BB30 (30mm)


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