Quarq DFour91 Carbon Power Meter Chassis

$1,849.00

Make the most of your Shimano® Dura-Ace® R9100 groupset by upgrading to Quarq’s DFour91power meter, which embodies all the advances of the next-generation DZero platform.

Clear
SKU: N/A Category: Tags: , , , , ,

Description

The Quarq DFour91 Carbon Power Meter Chassis has been 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.

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® R9100 chainrings. Compatible with Ultegra® R8000 chainrings.
  • Must be paired with a compatible SRAM bottom bracket.
  • BB30 versions ship with the spacers and wave washer required for BB386EVO installation.
  • 8-bolt power meter owners can upgrade using the DFour91 Power Meter Spider.

 

Bolt Circle Diameter Shimano® 4-Arm
Compatibility Designed for Dura-Ace® R9100 chainrings.
Material CNC Machined Aluminum Spider, Exogram Carbon Crank Arms
Accuracy 1.5%
Bottom Bracket GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A
Q Factor 145mm
Wireless Technology ANT+, Bluetooth low energy technology
Battery CR2032, 200 hours of riding time
Discipline Road, Triathlon, CX, Adventure
Weight 594g

 

*Chainrings not included with power meter.

Additional information

Weight N/A
Dimensions N/A
Crankarm Length

165mm, 170mm, 172.5mm, 175mm, 177.5mm

Spindle

GXP (22/24mm), BB30 (30mm)

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.