shimano-ultegra-fc-r8100-p-power-meter-crankset-170mm-50-34t-12-speed-hollowtech-ii-spindle-interface-black
shimano-ultegra-fc-r8100-p-power-meter-crankset-170mm-50-34t-12-speed-hollowtech-ii-spindle-interface-black, Offering the precision and functionality needed for scientific training, the Shimano Ultegra FC-R8100 Power Meter Crank Arm Set provides dual-sided measurement that is accurate within 1.5%. Its long battery life, easy recharge, and ANT+ and Bluetooth LE connectivity makes using and recording your workouts easier than ever.Integrated, waterproof, and rechargeable Li-ion batteryUp to 300+ hours of ride time (depending on ANT+/BluetoothA(R) LE settings)Accurate data collection 1.5% strain gage accuracy throughout the entire calibration range (depending on ANT+/BluetoothA(R) LE settings)Proprietary strain gaugeQuick and easy start-up processSimple zero offset calibration with switch on transmitterActive temperature compensation