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Whether you are a Tour de France pro
Backed by our 3-year warranty and an IPX7 waterproof rating
With the Factory Install Dual Upgrade
This Ride Ready unit comes pre-installed on a brand-new Shimano crank arm
0 MoFlo Cap
4iiii PRECISION 3+ Left-Side Powermeter - Ride Ready Recycled Compatible Left Crank:Shimano - Ultegra FC-R8100 165mm Whether you are a TourThe 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
