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Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DFour DUB Power Meter is paired with the Quarq DUB Crankarms to pair with your Dura-Ace R9100 or Ultegra R8000 chainrings. A SRAM DUB Bottom Bracket will be required for installation.
Key Features:
- Bluetooth low energy technology and ANT+ wireless data transfer
- MagicZero – automatically checks and recalibrates your power meter as you ride – no need to manually calibrate
- AxCad — no cadence magnet required
- 10K Temperature CompensationBattery — CR2032, 200-hour battery life, change without tools
- OmniCal — swap chainrings without affecting accuracy
- IPX7 waterproof rating
- Accuracy — within 1.5%, measuring both legs.
Specifications:
- Speeds: 11
- Crank arm length: 170mm
- BB Compatibility: All SRAM Road DUB BBs
- Chainring Size: n/a
- Bolt Circle Diameter (BCD): 110 BCD
- Chainline: n/a
- BB Spindle Interface: DUB
- Chainring material: n/a
- Guard: No Guard
- Crank arm material: Carbon
- Color (Crank arm): Natural carbon
- Power Meter Type: Spider
Occasionally, without notice, manufacturers change product design and/or specifications.
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