Quarq DFour Power Meter Chassis

Every innovation in Quarq’s next-generation DZero platform is channeled into the Shimano®-compatible DFour power meter. Designed for Shimano®’s lightweight, ergonomic Dura-Ace® groupset, DFour is Quarq’s most advanced Shimano®-compatible power meter ever. DFour embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.

The DFour power meter works with Shimano®’s 11-speed Dura-Ace® 9000, Ultegra® 6800 and 105® 5800 chainrings.

Features & Benefits

• Exogram carbon crank arms.
• 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 Qalvin app.

Essential Details

• Designed for Dura-Ace® 9000 chainrings. Compatible with Ultegra® 6800 and 105® 5800 chainrings.
• Must be paired with a compatible SRAM bottom bracket.
• Quarq ELSA RS Power Meter owners can upgrade using a DFour Power Meter Spider.
• BB30 versions ship with the spacers and wave washer required for BB386EVO installation.

ORDER INFORMATION:

If the information you provide results in an incorrect order that must be returned you will be responsible for the $50 restocking fee. If you are unsure about any information required, contact us.