4iiii Precision 3+ Left Crank Arm XTR Powermeter - M9100

The 4iiii Precision 3+ Left Crank Arm XTR Powermeter - M9100 is a single-sided power meter designed for cycling performance measurement. It integrates with Shimano XTR M9100 crank arms and is intended for riders seeking accurate power data for training and analysis. This product is suitable for mountain bikers and cyclists who require reliable power measurement on the left crank arm.

• Single-sided power measurement on the left crank arm
• Compatible with Shimano XTR M9100 cranksets
• Uses 4iiii Precision 3+ power meter technology
• Bluetooth and ANT+ wireless data transmission
• Rechargeable or replaceable battery depending on model
• IPX7 water resistance rating
• Lightweight design with minimal added weight
• Accuracy typically within ±1%
• Firmware updates available via 4iiii app

Installation requires compatibility with Shimano XTR M9100 cranksets. Calibration and zero-offset procedures should be performed as recommended by the manufacturer for optimal accuracy.

Available Variants:

170mm:
175mm: