Left crank with 4iiii Precision 3+ Shimano XTR M9100 power meter - 175

The left crank arm with 4iiii Precision 3+ Shimano XTR M9100 power meter is the most powerful unit from 4iiii to date, packaged in a smaller and lighter package and featuring Apple Find My. The PRECISION 3+ power meter is a proven choice for both professional and amateur cyclists. Whether you're fighting for a ranking spot in Kona, logging countless hours on virtual riding platforms, or looking to improve your time on the local KOM segment, you want accurate and reliable tools to unlock your potential. With up to 800 hours of battery life, automatic terrain selection, +/-1% accuracy, and backed by our industry-leading 3-year warranty, the PRECISION 3+ power meter will be your trusted tool in the years to come.