Sorry, this product is no longer available!
Quarq DFour DUB Spider Power Meter is no longer available at Merlin Cycles. However you may find an alternative or updated product below.
Quarq DFour DUB Spider Power Meter is no longer available at Merlin Cycles. However you may find an alternative or updated product below.
Quarq DFour DUB Spider Power Meter
This item was discontinued 20th February 2026.
If you require help finding an alternative to this product please contact customer services.
Code:: PMQ2680
Quarq DFour DUB Spider Power Meter
The Quarq's 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.
- 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.
Features
- 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. ( Shimano 4 x 110 BCD)
- Only compatible with Quarq DZero DUB cranks and SRAM DUB bottom bracket.