Shimano Ultegra FC-R8100-P 12 Speed Power Meter Chainset
488131

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Shimano Ultegra FC-R8100-P 12 Speed Power Meter Chainset
488131

£999.99
Please select a variation to see the final price
  • Dual-sided power measurement, ±2% accuracy
  • Integrated rechargeable Li-ion battery
  • ANT+ and Bluetooth® LE connectivity

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Shimano Ultegra FC-R8100-P 12 Speed Power Meter Chainset
Shimano Ultegra FC-R8100-P 12 Speed Power Meter Chainset
£999.99
Please select a variation to see the final price

Shimano Ultegra FC-R8100-P 12 Speed Power Meter Chainset

  • Dual-Sided Power Measurement (±2% Accuracy): Advanced strain gauges deliver precise data across the entire calibration range for reliable performance tracking.
  • Integrated Rechargeable Li-Ion Battery: Fully waterproof internal battery design keeps your setup clean and protected in all weather conditions.
  • Up to 226+ Hours Battery Life: Long-lasting performance on a single charge (depending on ANT+ / Bluetooth® LE settings).
  • ANT+ & Bluetooth® LE Connectivity: Easily pair with compatible bike computers, turbo trainers and training apps.
  • Simple Zero Offset Calibration: Quick calibration via the transmitter switch ensures consistent data accuracy.
  • Force Vector Analysis: Advanced pedal stroke insights help improve efficiency and maximise power output.
  • Shimano Connect Lab Compatible: Analyse, visualise and optimise your training and power data with Shimano’s performance platform.

Upgrade your road bike with the Shimano Ultegra FC-R8100-P 12 Speed Power Meter Chainset – a precision-engineered crankset designed for cyclists who demand accurate power data, seamless connectivity, and race-ready performance. Built around Shimano’s renowned Ultegra R8100 platform, this dual-sided power meter delivers reliable ±2% accuracy, helping you train smarter, ride stronger, and track every watt with confidence.

Perfect for competitive road riders and serious enthusiasts, the FC-R8100-P combines lightweight construction, aerodynamic design and advanced data metrics to optimise every pedal stroke.

Technical Specifications:
  • Speeds: 12-speed
  • Chainring Options: 50/34T or 52/36T
  • Crank Arm Lengths: 170mm, 172.5mm, 175mm
  • Bolt Circle Diameter (BCD): 110mm
  • Chain Line: 44.5mm
  • Q-Factor: 148mm
  • Accuracy: ±2%
  • Battery Life: Up to 226 hours
  • Charging Cable: EW-EC300
  • Average Weight: 758g (50-34T) 769g (52-36T)
  • Recommended Chain: HG 12-speed
  • Recommended Bottom Brackets: SM-BBR60 (threaded) / SM-BB72-41B (press fit)
  • Model Number: FC-R8100-P
  • Bottom Bracket: Sold separately