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4iiii PRECISION 3 Powermeter Shimano Ultegra R8100 Left Crank Arm

Item #CCK11781
New with Warranty
Regular price

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Why We Love It
How do you define success? Whether you are fighting for a Kona slot, spending countless hours on the indoor trainer or striving for a personal best; 4iiii knows that success takes time.

With up to 800 hours of battery life, +/-1% accuracy and backed by 4iiii's legendary 3-year warranty, the PRECISION 3 Powermeter will be your trusted training tool for years to come.
About This Item
  • Comes preinstalled on a brand-new Shimano Ultegra R8100 crank arm
  • With +/- 1% accuracy, 4iiii is the only crank-based powermeter to use 3 strain gauges to measure all forces in your pedal stroke
  • IPX7 waterproof rating you can be assured that your power meter can handle the toughest conditions
  • The PRECISION 3 Powermeter is both ANT+ and BLE compatible so you can use it on your preferred head unit and favorite indoor training app
  • These crank arms will fit bottom brackets using the Hollowtech II interface
  • Backwards compatible with the previous generation of Shimano Road Cranksets (Ultegra R8000, etc.)
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Brand 4iiii
Model Ultegra R8100 Left Crank Arm w/ PRECISION 3 Powermeter INstalled
Group R8100 (Compatible with R8000)
Type Powermeter Crank Arm
Crank Arm Length 175mm
Speed 11/12
Bottom Bracket Type Hollowtech II
Intended Use Road
mpn PML300-S18A00J
upc 871828009717
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We’re fellow bike nerds. We're cyclists who want to find the right bike, components, and accessories for you. That’s why we created our innovative Certified Pre-Owned bike process and why we’re committed to finding the best products you need for your adventures.

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