SRAM Quarq DFour Power Meter Crankset (Black) (BB30/PF30 Spindle) (165mm) (110 ... - 00.3018.172.165
SRAM Quarq DFour Power Meter Crankset (Black) (BB30/PF30 Spindle) (165mm) (110 ... - 00.3018.172.165, Quarq's power meter cranks continue to be reliable, accurate and easy to use. The DFour model accepts Shimano road chainrings and offers more data transfer and frame fit compatibility. Features: 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: Spindle Interface Type BB30/PF30 Chainline/Hub Compatibility 130 Hubs Number of Chainrings No Rings Included Spindle Interface Type 386 EVO Weight 588 BB Included No Color Black Chainring BCD 110 Shimano Asymmetric Crank Length (mm) 165mm, 170mm, 172.5mm, 175mm Defined Color Black Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Crank Intended Use Road Drivetrain Speeds 11 Pedal Spindle 9/16"