4iiii Precision 3+ Ultegra 8100 Left Crank With Power Meter 170 mm Black

4iiii Precision 3+ Ultegra 8100 Left Crank With Power Meter. Unlock your potential with the 4iiii Precision 3+ power meter, pre-installed on a Shimano Ultegra 8100 left crank. Trusted by pros, this ultra-light (9g) and compact unit delivers +/-1% accuracy and an industry-leading 800-hour battery life. Its automatic terrain selector provides responsive power data on any surface. More than just a power meter, it’s a training partner offering peace of mind with integrated Apple Find My support. With a 3-year warranty, it´s the reliable, accurate tool to chase your goals. Experience accurate cycling power with the 4iiii Precision power meter. Users praise its reliable performance, ease of calibration via the 4iiii app, and seamless integration with cycling computers. The lightweight design and "Find My" functionality offer added peace of mind, transforming it into a bike tracker. One-sided measurement is deemed sufficient for gauging effort and improving training, with many recommending it