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.
- Compatible with Shimano Dura-Ace R9100 or Ultegra R8000 chainrings
- Bluetooth low energy technology and ANT+ wireless data transfer
- MagicZero - automatically checks and recalibrates your power meter as you ride
- Accuracy within 1.5% measuring both legs
- AxCad does not require cadence magnet
- OmniCal allows chainring swaps without affecting accuracy
- IPX7 waterproof rating, CR2032 battery with 200-hour life changes without tools
- Does not include bottom bracket, chainring or chainring bolts