Shimano FC-R8100 Ultegra172.5mm 52/36 W/Power Meter Crankset

Scientific training requires accurate measurement and user-friendliness, and the new ULTEGRA R8100 power meter has both. Its dual-sided measurement is accurate within 2.0% and zero offset calibration is a quick and easy process. Perhaps most importantly, 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 battery
•  »Up to 300+ hours of ride time * Depending on ANT+/Bluetooth®LE settings
• ・Accurate data collection
•  »±2.0% strain gage accuracy throughout the entire calibration range
•  »Proprietary strain gauge
• ・Possible to start quickly
•  »Simple zero offset calibration with switch on transmitter
• ・Active temperature compensation
•  »Software automatically compensates for temperature changes
• ・The provision of new force vector data makes it the optimal training tool to analyze and improve pedal stroke efficiency
• ・With SHIMANO CONNECT Lab, you can analyze and visualize your training and power data