Description

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.

Specifications

• Weight: 200gr
• Usage: Indoor & outdoor

Pros and cons

• Sustainably produced
• Ideal for everyday use
• May discolor in direct sunlight