Quarq DFour91 Power Meter Spider
Make the most of your Shimano Dura-Ace R9100 groupset by upgrading to Quarq’s DFour91 power meter, which embodies all the advances of the next-generation DZero platform.
- 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.
- 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 chainrings. If you already have a power meter using the 8-bolt interface, upgrade with the DFour91 spider.
- Designed for Dura-Ace R9100 chainrings.
- Only 8-bolt power meter owners can upgrade using the DFour91 Power Meter Spider.
Why not save some watts?
More Information and Manuals
Bottom Bracket Standards
- Bolt Circle Diameter: Shimano 4-Arm
- Compatibility: Designed for Dura-Ace R9100 chainrings.
- Material: CNC Machined Aluminum Spider
- Accuracy: 1.5%
- Wireless Technology: ANT+, Bluetooth low energy technology
- Battery: CR2032, 200 hours of riding time
- Discipline: Road, Triathlon, CX, Adventure
- Weight: 154g