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SRAM RED DZero Power Meter

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SRAM RED® DZero Power Meter


Quarq’s next-generation power meter platform, DZero, is named for the DZero Experiment, one of science’s most accurate and innovative projects to detect subatomic particles moving at the speed of light.

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.

This power meter works for every discipline: Road, triathlon, time trial, and cyclo-cross. The chainrings are replaceable should your bike, discipline, or ability change.

  • A direct force power meter that measures total power output from both legs with +/-1.5% accuracy
  • Dual Bluetooth low energy and ANT+ let you choose how to capture the data
  • Uses a hidden bolt to mount the chainrings – compatible SRAM chainrings ensure the derailment pin lines up behind the crank arm
  • 10K – programmed with over 10,000 data points to eliminate temperature effects on power measurement
  • AxCad – A multi-axis accelerometer switches the power meter on and measures cadence, simplifying installation and operation
  • Breakthrough Materials – Exogram™ hollow carbon fiber crank arms – the lightest, strongest crank arms we make – minimize weight and maximize speed
  • Easy to use (and reuse) – LED indicator and visible ANT+ ID
  • The replaceable CR2032 battery never leaves you without power
  • Manual and automatic zeroing make it truly set and forget
  • Built to Last – IPX7 waterproof rating, 2-year warranty, free firmware updates, and acclaimed international support
  • Moves with you from bike to bike
  • With Quarq's free Qalvin BLE mobile app – available for iOS® and Android – you can set the zero offset, check battery voltage, run diagnostics, and perform firmware updates

Specifications for SRAM RED® DZero Power Meter

Arm Material Carbon arms, Machined alloy spider
Weight 578/559g - 130/110 BCD (GXP 172.5mm, BB and chainrings not included)
Available Arm Lengths 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm
Compatibility SRAM RED® & Force Yaw™ front derailleurs, SRAM RED® 22 & PC1170 chains
Bottom Bracket GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A
Technology Highlight(s) Quarq™, Power Balance™, Omnical™, Exogram™
Wireless Technology ANT+, Bluetooth low energy technology

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