Double crankset Ultegra FC-R8100-P 172,5 mm 12V

• Integrated, waterproof, rechargeable Li-ion battery
• Up to 300+ hours of use * Depending on ANT + / Bluetooth®LE settings
• Precise data collection
• Gauge accuracy tolerance of ± 2.0% over the entire calibration range
• Proprietary strain gage
• Faster start-ups
• Simplified calibration with a switch on the transmitter
• Active temperature compensation
• Software automatically compensates for temperature changes
• New force vector data makes it the optimal training tool for analyzing and improving pedaling efficiency
• With SHIMANO CONNECT Lab, you can analyze and visualize your training and power data

Scientific training requires precise yet easy-to-use measurements, qualities that are found in the ULTEGRA R8100 power sensor. Power measurement on both sides of the crankset is accurate to within 2.0%, and calibration is a simple rapide process. And perhaps most importantly, long battery life, easy recharging and ANT+ and Bluetooth®LE connectivity make using and recording your workouts easier than ever.