4iiii Pm Precision, Pro-Shimano 105 R7000-Dual 53-39T

Description

Features 4iiii makes the lightest power meter on the market. We’re committed to helping you get faster, one gram at a time. A dual power meter measures the power from each individual leg to calculate your total power output. Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is t