Quarq's power meter cranks continue to be reliable, accurate and easy to use. The Dfour91 model accepts Shimano Dura Ace 9100 and Ultegra R8000 road chainrings and offers more data transfer and frame fit compatibility.
- DFour91 is compatible only with Dura Ace 9100 and Ultegra R8000 chainrings
- Measures power for both legs with +/_ 1.5% accuracy
- Dual Bluetooth lowenergy and ANT+ wireless data transfer
- AxCad system provides no-magnet cadence data
- Free firmware updates with the QALVIN APP
- Uses a CR2032 battery that can be replaced without tools
- Swap chainrings without needing to recalibrate
Manufacturer Quarq
Manufacturer Part Number 00.3018.192.172
UPC 710845805394
Model Quarq DFour91 Power Meter Crankset
Crankset Style Road
BB Crank Interface SRAM GXP
Crankset Arm Length 172.5mm
Color
Black
Defined Color
Black
Chainring BCD
110 Shimano Asymmetric
Pedal Spindle
9/16"
Crank Length (mm)
172.5
Drivetrain Speeds
11
BB Included
No
Chainline/Hub Compatibility
130 Hubs
Spindle Interface Type
SRAM/Truvativ GXP
Chainline/Hub Compatibility
135/142 Road Disc Hubs > 415 mm Chainstay
Crank Intended Use
Road
Number of Chainrings
No Rings Included
Chainline/Hub Compatibility
135/142 Road Disc Hubs < 415 mm Chainstay
Currently Out of Stock
Sorry, 'Quarq DFour91 Power Meter Crankset - 172.5mm, 11-Speed, 110 Asymmetric BCD, GXP Spindle Interface, Black' is currently out of stock. Please check back later or contact Bikeman for an expected availability date. Refer to our Shipping Terms for more information.
Sorry, 'Quarq DFour91 Power Meter Crankset - 172.5mm, 11-Speed, 110 Asymmetric BCD, GXP Spindle Interface, Black' is currently out of stock. Please check back later or contact Bikeman for an expected availability date. Refer to our Shipping Terms for more information.