Shimano Ultegra FC-R8100-P 12-Speed Crankset with Power Meter – Chainrings Not Included

The Shimano Ultegra FC-R8100-P 12-speed crankset without chainrings is the ideal choice for cyclists and athletes who want to train with extremely precise power data. Designed for the Shimano Ultegra R8100 groupset, it integrates a dual-sided power meter capable of offering reliable and consistent measurements, allowing you to monitor and improve every road ride.

Thanks to power detection on both crank arms, automatic temperature compensation, and ANT+ and Bluetooth® LE connectivity, this crankset represents a professional training tool, compatible with major cycle computers and dedicated software.

The integrated lithium-ion battery guarantees over 300 hours of autonomy, while simple charging and quick zero calibration make it practical for everyday use.

Main features

• Shimano Ultegra FC-R8100-P crankset for 12-speed drivetrains.
• Chainrings not included version, ideal as a spare part or for custom configurations.
• Integrated power meter with dual-sided detection.
• Measurement accuracy of ±2.0% across the entire calibration range.
• Integrated, rechargeable, and waterproof lithium-ion battery.
• Battery life up to 300+ hours, varying based on ANT+ and Bluetooth® LE settings.
• Compatible with ANT+ and Bluetooth® LE connections for data transmission to cycle computers and dedicated apps.
• Simple and fast zero calibration via a button on the transmitter.
• Active temperature compensation to maintain maximum accuracy even in variable environmental conditions.
• Advanced force vector analysis to improve pedalling efficiency.
• Compatible with Shimano CONNECT Lab for analyzing training data and developed power.

Technical specifications

• Model: Shimano Ultegra FC-R8100-P
• Type: Crankset with integrated power meter
• Compatible drivetrain: 12-speed
• Chainrings: Not included
• Power measurement: Dual-sided
• Accuracy: ±2.0%
• Battery: Integrated, rechargeable, and waterproof lithium-ion
• Battery life: Over 300 hours (based on ANT+/Bluetooth® LE settings)
• Connectivity: ANT+ and Bluetooth® LE
• Calibration: Zero offset via dedicated button
• Temperature compensation: Active and automatic
• Compatible software: Shimano CONNECT Lab

The Shimano Ultegra FC-R8100-P is the ideal solution for those who want a reliable, precise power meter perfectly integrated into the drivetrain, offering professional data to optimize training, races, and road performance.