SRAM DFour AXS DUB

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Combine any length Quarq DUB crank arm with DFour DUB power meter for Shimano® R910011-Speed groupset. Designed for R9100 chainring. Compatible but not aesthetically pleasing with Shimano’s R8000 chainringsand 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 Attributes BB Inclusion No BCD 110 Connectivity ANT+, BT LE Drivetrain Spacing Road Show more