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With the Factory Install Dual Upgrade
The Viiiiva is a reliable cornerstone of your training toolkit
Engineered to be the best affordable power meter on the market
This combination provides a total understanding of training efficiency
this crank-based power meter provides the consistent data you need to unlock your potential
4iiii PRECISION 3+ Left-Side Powermeter - Factory Install Compatible Left Crank:Shimano - Dura-Ace FC-09 With the Factory Install DualThe 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
