4iiii Precision 3+ Pro Dual Ultegra FCR8100 Powermeter

The 4iiii Precision 3+ Pro Dual Ultegra FCR8100 Powermeter is a dual-sided cycling power meter designed for accurate measurement of rider power output. It is integrated into a Shimano Ultegra FC-R8100 crankset with a 50/34T chainring configuration, suitable for road cyclists seeking detailed performance data. This product is commonly used for training analysis, performance monitoring, and power-based cycling workouts.

• Dual-sided power measurement for left and right leg balance
• Compatible with Shimano Ultegra FC-R8100 crankset
• Chainring configuration: 50/34T (compact)
• Bluetooth and ANT+ wireless data transmission
• Rechargeable battery with extended runtime
• Accuracy typically within ±1% (as per manufacturer specifications)
• Lightweight design to minimize added mass to the crankset
• Water-resistant construction for varied riding conditions
• Firmware updates available via compatible app

Installation requires compatibility with Shimano Hollowtech II bottom brackets and appropriate frame clearance for power meter pods.

Available Variants: