4iiii PRECISION 3+ Left-Side Powermeter - Factory Install power-meters allowing you to optimize training

allowing you to optimize training zones and track fitness gains with total precision

This Ride Ready unit comes pre-installed on a brand-new Shimano crank arm

and manage recovery with professional-grade accuracy

Ironman triathlete

Built for athletes of all abilities

4iiii PRECISION 3+ Left-Side Powermeter - Factory Install power-meters allowing you to optimize trainingThe 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