DFour DUB power meter spider must be paired with a compatible Quarq DZero DUB crankset and SRAM DUB™ bottom bracket. DFour DUB is designed for Dura-Ace R9100 chainrings
Every innovation in Quarq’s DFour platform represented the 10+ years of Quarq’s advances in power meter technology. This same platform is now combined with SRAM’s innovative DUB technology to bring you the simplest spider-based power meter. Simplified part choices, quality materials and a broader compatibility for bottom brackets and chainrings, brings power on every ride.
Features & Benefits
- MagicZero™ – automatic calibration as you ride. No need to back pedal or manually calibrate through your headunit.
- 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 SRAM AXS app.
- Essential Details
- Designed for Dura-Ace® R9100 chainrings. Compatible (it will not match aesthetically) with Ultegra® R8000 and 105® R7000 chainrings.
- Only compatible with Quarq DZero DUB cranks and SRAM DUB bottom bracket.