Quarq DFour91 Power Meter Crankset
New generation power meter designed especially for Shimano’s new Dura-Ace® R9100 series. DFour91 embodies 10 years of Quarq advances in power meter technology, plus new features such as dual Bluetooth Low Energy and ANT+ wireless data transfer, revised circuitry, a new strain gauge design and the Qalvin BLE app.
Quarq DFour91 Power Meter Crankset is a bolt-on upgrade, pairing with the 11-speed Dura-Ace® R9100 chainrings. Get the chassis, which includes Quarq’s lightweight, sturdy ExogramTM carbon crank arms. The GXP and BB30 versions work with every bottom bracket shell, including BBright and BB386EVO.
Quarq DFour91 Power Meter Crankset 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.
Quarq DFour91 Power Meter Crankset Essential Details
- Designed for Dura-Ace® 9100 chainrings.
- Must be paired with a compatible SRAM bottom bracket
- BB30 versions ship with the spacers and wave washer required for BB386EVO installation.
PLEASE NOTE RINGS ARE NOT INCLUDED