4iiii Precision 3+ Left Crank Arm XT Powermeter

The 4iiii Precision 3+ Left Crank Arm XT Powermeter - M8100 is a single-sided power meter designed for cyclists seeking accurate power measurement. It integrates with Shimano XT M8100 crank arms and is suitable for mountain biking, training, and performance analysis. This product enables riders to monitor and record left-leg power output using compatible cycling computers and apps.

• Single-sided power measurement from the left crank arm
• Compatible with Shimano XT M8100 cranksets
• Bluetooth Smart and ANT+ wireless connectivity
• Accuracy rated at ±1%
• Lightweight design with minimal added weight
• Uses a user-replaceable CR2032 battery
• Water-resistant construction for outdoor use
• Firmware updates available via 4iiii app
• Compatible with most cycling computers and training platforms

This power meter is designed for straightforward installation and does not require modification of the existing drivetrain. Calibration and zero-offset procedures are supported through the 4iiii mobile application.

Available Variants: