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    • 4iiii Dura Ace 9100 PRECISION 3.0 Powermeter

  • 4iiii Dura Ace 9100 PRECISION 3.0 Powermeter

    Perfect for riders who want to track and improve their performance during their training sessions, this high-quality 4iiii powermeter comes factory installed into a Shimano Dura Ace 9100 left-sided crank arm. Providing an ultra-precise +/- 1% accuracy with an impressively light 9g weight, it is kitted out to help you achieve your performance goals and get the best out of every training ride. At 5.5mm high, this Precision 3.0 powermeter is compatible with almost every bike frame on the market. In addition, the indicator light will let you know when your power meter is on, performed a successful zero-offset, and is ready for its battery to be changed. With 800 hours of battery life from its long-lasting coin cell battery, the 4iiii Shimano Dura Ace 9100 PRECISION 3.0 Powermeter is all set for taking your training to the next level.

    Shimano Dura Ace 9100 Crank Arm

    The Shimano Shimano Dura Ace 9100 crank arm offers system engineering at its peak. Each of the components magnifies in the series provides an unparalleled level of performance. Optimising input to maximise output. That's how it achieves supremacy. The choice of the world's best climbers, sprinters, and time trialists, the Dura-Ace crank drops weight while maximising power transfer. Its design and iconic look are adapted for modern-day road racing.

    Up To 800 Hour Battery Life

    With up to 800 hours of battery life, you won't have to worry about changing your battery for years to come.

    +/- 1% Accuracy

    Everyone has a unique pedal stroke. 4iiii's patented 3D strain gauge measures all forces to deliver precision accuracy.

    9g Weight

    4iiii has confirmed that it makes the lightest power meter on the market. The brand is committed to helping you get faster, one gram at a time.


    • Accuracy: +/- 1%
    • Battery Life: Up To 800 hours
    • Battery Type: CR2032 Coin Cell
    • Waterproof Rating: IPx7
    • Cadence Range: 30 - 170 RPM
    • Power Range: 0 - 4,000 W
    • Height: 5.5mm
    • Operating Temperature: 0 To 50 degrees celsius
    • Connectivity: ANT+, Bluetooth
    • Arm Type: Shimano Dura Ace 9100
    • Single or Pair: Single, left-sided arm
    • Weight: 9g


    • Accuracy in 3D: Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke.
    • Ultra Low Profile: With an ultra low profile design, the PRECISION 3 is compatible with more bike frames than ever before.
    • Indicator Light: At a glance, you can now see when your power meter has turned on, performed a successful Zero-offset, or has a low battery. Although, don’t expect to see that low battery indicator for a while!
    • Waterproof: Based in the foothills of the Canadian Rockies, we were tired of training tools not designed to work in our tough environment. With an IPX7 waterproof rating you can be assured that your power meter can handle the toughest conditions.
    • ANT+ and Bluetooth: Get the same numbers training inside and outside. 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.
    • 3 Year Warranty: A lot can happen in 3 years. You probably won’t need to use it, but it’s reassuring to know that all 4iiii Powermeters are backed by an industry leading 3-year warranty.

    Buy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.


    • Couleur : Noir
    • Longueur: 170mm, 175mm, 172.5mm



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