SRAM Quarq DFour91 Power Meter Crankset (Black) (GXP Spindle) (175mm) (110 Aymm... - 00.3018.192.175
SRAM Quarq DFour91 Power Meter Crankset (Black) (GXP Spindle) (175mm) (110 Aymm... - 00.3018.192.175, 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: Chainline/Hub Compatibility135/142 Road Disc Hubs < 415 mm Chainstay Drivetrain Speeds11 Defined ColorBlack Crank Intended UseRoad ColorBlack Chainline/Hub Compatibility130 Hubs BB IncludedNo Chainline/Hub Compatibility135/142 Road Disc Hubs > 415 mm Chainstay Number of ChainringsNo Rings Included Spindle Interface TypeSRAM/Truvativ GXP Chainring BCD110 Shimano Asymmetric Crank Length (mm)175mm Pedal Spindle9/16"