4iiii Precision 3+ PRECISION 3+ Left Crank RX810 GRX Powermeter

The 4iiii Precision 3+ PRECISION 3+ Left Crank RX810 GRX Powermeter - NDS is a cycling power meter designed for accurate measurement of left leg power output. It is intended for use by cyclists seeking to monitor and analyze their performance, particularly in road and gravel cycling applications. This model is compatible with Shimano GRX RX810 cranksets and is installed on the non-drive side (NDS) crank arm.

• Measures left leg power output in watts
• Designed for Shimano GRX RX810 cranksets
• Non-drive side (left crank arm) installation
• ANT+ and Bluetooth Smart wireless data transmission
• Rechargeable or replaceable battery, depending on model version
• Lightweight construction to minimize added mass
• Factory calibrated for accuracy
• Compatible with most cycling computers and training apps

Installation requires compatibility with the specified Shimano GRX RX810 crankset. Regular calibration is recommended for optimal accuracy.

Available Variants: