4iiii Precision 3+ Dura Ace 9200 left crank with power meter

Unlock your potential with the 4iiii Precision 3+ Dura Ace 9200 power meter, the choice of pros and weekend warriors. Our most powerful unit yet is smaller, lighter (only 9g!), and now features Apple Find My for ultimate peace of mind. Train with confidence thanks to +/-1% 3D accuracy, an incredible 800-hour battery life, and an automatic terrain selector for responsive data. This waterproof, low-profile power meter is your trusted tool for smashing KOMs and logging serious miles, backed by an industry-leading 3-year warranty