SRAM Power Meter Crankset DFour91 110mm Asymmetric BCD BB30/PF30/BB386 172.5mm - 00.3018.190.172
SRAM Power Meter Crankset DFour91 110mm Asymmetric BCD BB30/PF30/BB386 172.5mm - 00.3018.190.172, Quarq's power meter cranks continue to be reliable, accurate and easy to use. The Dfour91 model accepts Shimano Dura Ace 9100 road chainrings and offers more data transfer and frame fit compatibility. Features: Designed to only fit Dura Ace 9100 chainrings Spindle Diameter: 24/22 Stepped 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 Only fits Dura Ace 9100 chainrings Spindle Diameter: 30 Specs: Pedal Spindle9/16" BB IncludedNo Chainring BCD110 Shimano Asymmetric ColorBlack Defined ColorBlack Crank Intended UseRoad Spindle Interface TypeBB30/PF30