SRAM Quarq DFOUR Dub Power Meter

Quarq DFour AXS DUB Power Meter Spider combines the advanced power meter technology with SRAM’s innovative DUB platform to bring you a simple spider-based power meter.

Specifications:

• 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.