Shimano Ultegra 12 Speed Double Power Meter Chainset 172.5mm

Offering all the precision and functionality of the DURA-ACE power meter, the Shimano Ultegra FC-R8100-P Power Meter Chainset comes in a more affordable package.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.Shimano Ultegra FC-R8100-P Power Meter Chainset HighlightsIntegrated, waterproof, and rechargeable Li-ion batteryUp to 300+ hours of ride time * Depending on ANT+/Bluetooth®LE settingsAccurate data collection±2.0% strain gage accuracy throughout the entire calibration rangeProprietary strain gaugePossible to start quicklySimple zero offset calibration with switch on transmitterActive temperature compensationSoftware automatically compensates for temperature changesThe provision of new force vector data makes it the optimal training tool to analyze and improve pedal stroke efficiencyWith SHIMANO CONNECT Lab, you can analyze and visualize your training and power data