Discover the best power meter brands, such as 4iiii, at Escapa.
The 4iiii Precision 3 Power Meter Left Crank Arm XT M8100 is a high-precision power meter. Its built-in accelerometer can measure accurate cadence data and features 3D power meter technology capable of measuring triaxial stress. The result is a power meter with an accuracy of +/- 1.0%.
The 4iiii Precision 3 Power Meter Left Crank Arm XT M8100 is a power meter mounted on the left crank arm. You simply install it by replacing your current left crank arm. The 4iiii measures the power generated by your left leg and doubles it to determine your total power.
The 4iiii Shimano XT M8100/8120 power meter features a 100-hour battery life and is compatible with ANT+ and Bluetooth SMART devices.
The new 4iiii XT 8100/8120 PRECISION 3 power meter offers the following improvements over version 2
800 hours of battery life: the longest-lasting button cell battery in any power meter on the market! A slimmer, sleeker profile that makes most compatibility issues a thing of the past.
A more powerful antenna for even better connectivity.
Compatible with third-party training apps such as Zwift, TrainerRoad, SYSTM, and more
LED indicator for battery life, proper zeroing, and power-on status.
The 4iiii power meter is compatible with XT M8100/8120/8130 cranksets. It is also compatible with all other Shimano x100/x120/x130 MTB crankset series, such as the XTR M9100/M9120/M9130 or the SLX M7100/7120/7130.
It is not compatible with x000 series chainrings and cranksets, such as the XTR M9000, XT M8000, or SLX M7000.
SPECIFICATIONS
Accuracy: +/- 1%
Battery type: CR2032 battery
Battery life: 800 hours
Waterproof: IPx7 rating
Cadence Range: 30–170 RPM
Power range: 0–4000 W
Length: 63.79 mm
Width: 26.42 mm
Height: 5.5 mm
Weight: 9 grams
Operating Temperature: 0 to 50 °C
Storage temperature: -40 to 60°C
Communications: ANT+, Bluetooth