4iiii Precision 3+ Left Crank Arm 105 Powermeter

The 4iiii Precision 3+ Left Crank Arm 105 Powermeter - FCR7100 is a single-sided cycling power meter integrated into a Shimano 105 series left crank arm. Designed for road cyclists seeking accurate power measurement, it enables riders to monitor and analyze their performance data during training and competition. This model is compatible with Shimano 105 R7100 series cranksets and is suitable for use with a wide range of cycling computers and training platforms.

• Single-sided power measurement on the left crank arm
• Compatible with Shimano 105 R7100 series cranksets
• Uses ANT+ and Bluetooth Smart wireless connectivity
• Accuracy rated at ±1%
• Lightweight design with minimal added weight
• Coin cell battery powered (CR2032)
• Up to 800 hours of battery life
• Water resistance for use in various weather conditions
• Firmware updates available via 4iiii app

Installation requires compatibility with Shimano Hollowtech II bottom brackets and cranksets. Calibration and zero-offset procedures should be performed regularly for optimal accuracy.

Available Variants: