Shimano Dura-Ace FC-R9200 12-Speed Power Meter Crankset Developed for performance-focused road riders, the Shimano Dura-Ace FC-R9200 power meter crankset integrates power measurement into both crank arms. It provides left- and right-side data through a clean, fully integrated platform for structured training, pacing and race analysis. Calibrated strain gauges provide claimed accuracy of 2%. ANT+ and Bluetooth connectivity allow power data to be transmitted to compatible cycle computers and training devices, while wireless firmware updates support ongoing system maintenance. The rechargeable, weather-sealed battery is built into the crankset, removing the need for disposable cells. Hollowtech II construction combines hollow forged aluminium crank arms with a 24 mm integrated axle to deliver efficient power transfer with controlled weight. This product is the power meter crankset unit only. Chainrings are not supplied and must be selected separately to suit the intended Shimano 12-speed road drivetrain. Features Integrated dual-sided power measurement records output through both crank arms. Claimed 2% measurement accuracy supports consistent training and race analysis. ANT+ and Bluetooth connectivity supports compatible head units and training devices. Rechargeable integrated battery removes the need for disposable cells. Weather-sealed electronics support dependable use in varied riding conditions. Hollowtech II construction combines a 24 mm axle with hollow forged aluminium crank arms. Available in 167.5mm and 160mm crank arm lengths. Supplied without chainrings, allowing the required compatible ratio to be selected separately. Specifications Feature Specification Product type Dual-Sided Power Meter Crankset Series Dura-Ace Model FC-R9200 Drivetrain Shimano 12-speed road Crank arm lengths 160mm, 165mm and 167.5mm Power accuracy 2% claimed Connectivity ANT+ and Bluetooth Battery Integrated rechargeable battery Axle standard 24 mm Hollowtech II Chainrings Not included Compatibility Compatible with: Compatible Shimano 12-speed road chainrings selected separately. Compatible Shimano 12-speed road chain and drivetrain components. Frames and bottom brackets designed for a 24 mm Hollowtech II road axle. Compatible ANT+ or Bluetooth receiving devices for power data. Technical Notes Chainrings and bottom bracket are not included. Confirm the selected chainring combination is approved for the required Shimano 12-speed drivetrain. Charge, pair and calibrate the power meter in accordance with Shimano instructions before first use. Ideal For Ideal for road racers, time triallists and performance-focused riders who require integrated dual-sided power measurement and want to select their compatible chainring configuration separately. Length: 165 mm