Quarq DFour AXS DUB Power Meter Spider - 110 BCD, 8-Bolt Crank Interface, Black

DZero DUB Spider Spider must be paired with a compatible Quarq DZero DUB crankset with an 8-bolt interface and SRAM DUB bottom bracket Not compatible with SRAM's 3-bolt direct mount interface DFour DUB is designed for Dura-Ace R9100 chainrings Bluetooth low energy technology and ANT+ wireless data transfer MagicZero technology automatically checks and recalibrates your power meter as you ride – no need to manually calibrate AxCad system provides no-magnet cadence data Use the AXS app to easily update firmware and view power meter metrics Measures power for both legs with +/- 1.5% accuracy Uses a CR2032 battery that can be replaced without tools OmniCal system allows you to swap chainrings without affecting accuracy IPX7 waterproof rating Product SpecificsColor: BlackToday's Stock Status 10+ Available to ship in 2-4 Business Days UPC: 710845839443 EAN: Not available Manufacturer Part Number: 00.3018.268.002 CK2115 184355-Q0-L