One of the most accurate, lightweight and affordable power meters available!- 4iiii's PRECISION power meter combined with Shimano’s Ultegra R8000 groupset
- The 4iiii PRECISION is now available in Shimano’s latest evolution of the FC-R9100!
- The most affordable crankset capable of measuring independent left/right power!
- 4iiii's 3-D tri-axial strain gauge technology, dual-sided power and +/- 1.5% accuracy
- 4iiii's left/right power measurement on Shimano's top-end DURA-ACE 9100 crankset
4iiii PRECISION Factory Install
$299.99Convert your current crankset into a 4iiii power meter!- Convert your current ride side crank arm into a 4iiii power meter!
- Convert your current crankset into a dual-sided 4iiii power meter!
FINANCING AVAILABLE
