quarq
Quarq Dfour91 110 Gxp crankset
Regular price €840,00 €840,00 €1.091,00 | Save €251,00 (23%)
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Technical information
Designed especially for Shimano®’s Dura-Ace® R9100 series, the Quarq DFour91 Power Meter brings Quarq’s next-generation DZero platform to Shimano®’s latest groupset. Compatible with Ultegra® R8000 chainrings.
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.
The DFour91 power meter is a bolt-on upgrade, pairing with the 11-speed Dura-Ace® R9100 or Ultegra® R8000 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. If you already have a power meter using the 8-bolt interface, upgrade with the DFour91 spider.
- 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.
- Designed for Dura-Ace® 9100 chainrings. Also compatible with Ultegra® R8000 chainrings. See the difference between DFour91 and DFour.
- Must be paired with a compatible SRAM bottom bracket.
- GXP
- 8-bolt power meter owners can upgrade using the DFour91 Power Meter Spider.
Quarq Dfour91 110 Gxp crankset
Orders are usually shipped within 24-72 hours (1-3 days) from payment receipt. Some items may have longer shipping times (5-7 days). The specific shipping times are indicated on each product page.
FREE SHIPPING (bikes excluded) from
€ 79.00 | Italy |
€ 129.00 | Europe, Principality of Monaco, and San Marino |
€ 249.00 | Australia, Canada, Japan, Switzerland, Norway, USA (excluding Puerto Rico and Mariana Islands) |
Shipping costs start from
€ 6.50 | STANDARD SHIPPING in Italy with express courier |
Shipping times and costs may vary depending on the delivery country, chosen service, and weight.
Shipping with InPost service
€ 5.00 | Italy |
€ 12.00 | France, Benelux, Spain, Portugal, Poland |
Bicycle shipping
Shipping costs for all bicycles are fixed as follows.
€ 39.00 | Italy |
€ 49.00 | Europe |
€ 69.00 | Rest of the world |
Non-EU shipping
Local VAT and any customs duties for shipments of goods to customers outside the European Union (non-EU) will be charged to the recipient and requested by the courier at the time of delivery. If the delivery is not made due to refusal to pay the customs duties (local VAT and any applicable tariffs) requested by the importing country, all costs incurred by us for the return of the goods will be deducted from the refund.
In-store pickup
All online-ordered items can be picked up at the All4cycling store in the province of Varese, Via Gianfranco Miglio 2, 21045 Gazzada Schianno (VA).
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