SRAM Quarq DFour91 Power Meter Crankset (Black) (GXP Spindle) (170mm) (110 Aymmetric BCD) (For Shimano Chainrings)

00.3018.192.170
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Price: $1,179.00

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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.
Features:
  • 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
Specs:
Drivetrain Speeds 11
Number of Chainrings No Rings Included
Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm Chainstay
Crank Length (mm) 170mm, 172.5mm, 175mm
Chainline/Hub Compatibility 130 Hubs
Color Black
Crank Intended Use Road
Spindle Interface Type SRAM/Truvativ GXP
Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay
BB Included No
Defined Color Black
Chainring BCD 110 Shimano Asymmetric
Pedal Spindle 9/16"