4iiii announces 9g, 3D powermeter, the PRECISION 2.0 (Bike Radar)

4iiii Innovations has a new version of its left-side-crank-based power meter, the Precision 2.0. 4iiii calls it the ” the industry’s first 3D crank based power meter,” as it can measure bend, shear and axial forces on the crank, the company claims.