4iiii PRECISION 3+ Left-Side Powermeter - Factory Install Compatible Left Crank:Shimano - Dura-Ace FC-R9200

4iiii PRECISION 3+ Left-Side Powermeter - Factory Install Compatible Left Crank:Shimano - Dura-Ace FC-R9200The 4iiii PRECISION 3+ Powermeter is the ultimate combination of accuracy, durability, and lightweight design. Whether you are a Tour de France pro, a Mountain Bike World Champion, Ironman triathlete, a Zwift racer, or a cyclist simply looking to add the structure of data to your training, this crank based power meter provides the consistent data you need to unlock your potential. Engineered to be the best affordable power meter on the market, the

adaptive training plans that sync perfectly with your new PRECISION 3+ data

allowing you to track your bike’s location with ease

and torque effectiveness

Replacement PRECISION Powermeter cap and O-ring

This combination provides a total understanding of training efficiency

Built to handle everything from rough terrain and gravel to high RPM sprints

The 4iiii PRECISION 3+ PRO Powermeter is our most advanced power meter

a Mountain Bike World Champion

offering the ultimate combination of dual-sided accuracy

we install the dual-sided power meter

Note: If your current left-side power meter is a PRECISION 3 (non-Find My)

pacing a marathon