4iiii Precision 3+ power meter Ultegra R8100 - 172.5 mm

The 4iiii Precision 3+ power meter Ultegra R8100, power and precision for every rider.

The PRECISION 3+ Power meter from 4iiii is our most powerful and advanced power meter ever.

With a compact, lightweight chassis and Apple Find My integration, it's the ideal choice for professional athletes and enthusiasts alike.

Whether you're training for Kona, logging endless miles on virtual platforms, or looking to improve your personal bests, with the PRECISION 3+ Power Meter you always have a reliable companion to help you unleash your full potential.

What makes the PRECISION 3+ unique?
The power meter has a battery life of up to 800 hours, automatic terrain recognition, and a measuring accuracy of +/-1%. 4iiii also offers a three-year warranty, so you can rely on this high-quality power meter for years to come.

How Does It Work?
The PRECISION 3+ Powermeter is much more than just a power meter; it is your training partner and offers peace of mind. During your rides, the power meter sends real-time data such as wattage, cadence and calorie consumption to the cycle computer of your choice. When not in use, the power meter turns into an Apple Airtag, which can be easily tracked via the Find My app on your iOS device. This way you always know where your bike is.

Key Features
Apple Find My integration
Wherever you are, you always have insight into the location of your bike.

800 Hour Battery Life
With the reliable CR2032 button cell battery, you can enjoy up to 800 hours of worry-free use without replacement.

3D Accuracy
The PRECISION 3+ is the only crank-based power meter with three strain gauges that accurately measure all forces in your pedal stroke, with a deviation of only +/- 1%.

Automatic Terrain Recognition
The power meter senses the terrain and provides accurate feedback, even on rough surfaces, so you can drive with confidence.

With the PRECISION 3+ Powermeter you are assured of powerful, reliable support during all your training and races.