4iiii Innovations Precision 3+ Pro Left Crank Arm with Power Meter Shimano 105 FC-R7100 - 172.5

The 4iiii Innovations Precision 3+ Pro Shimano 105 FC-R7100 left crank arm with power meter delivers the same reliable, highly accurate power data you expect from 4iiii, whilst giving you the peace of mind that comes with knowing your bike’s location. With advanced metrics, pedal smoothness and torque effectiveness, the PRECISION 3+ power meter provides the data you need to train and compete. With up to 550 hours of battery life, an automatic terrain selector, +/- 1% accuracy and the backing of our industry-leading 3-year warranty, the PRECISION 3+ power meter will be your trusted tool for years to come.