Quarq DFour AXS DUB Power Meter Crankset

Combine any length Quarq DUB crank arm with DFour DUB power meter for Shimano® R9100 11-Speed group set.

Designed for R9100 chainring. Compatible but not aesthetically pleasing with Shimano’s R8000 chainrings and Shimano's R700 chainrings.

Magic Zero: Automatically check and recalibrates your power meter to ensure it is always accurate.

AXS™ app: Easily update firmware and view power meter metrics.

OmniCal: Swap chainrings without affecting accuracy.

10K TEMPERATURE COMPENSATION: Each power meter is programmed with over 10,000 data points to eliminate temperature effects on power measurement.

For use with Red D1, Force D1, or Quarq D1 crank arms

SRAM Model ID: PM-D4-SPDR-D1

BB Inclusion : No

Drivetrain Spacing : Road

BCD : 110

Connectivity : ANT+, BT LE