4iiii Precision 3+ Powermeter | The Bike Affair
4iiii Precision 3+ Powermeter | The Bike Affair

4iiii Precision 3+ Powermeter


Regular priceâ‚ą36,900
Tax included. Shipping calculated at checkout.
Compatible Left Crank
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4iiii Precision 3+ Powermeter: Your Ultimate Cycling Partner

Step into a new realm of cycling excellence with the 4iiii Precision 3+ Powermeter. Meticulously designed to cater to the needs of both elite athletes and recreational riders, this powermeter brings a multitude of features to elevate your performance and passion.

Precision Perfected: Engineered with unwavering accuracy, the Precision 3+ Powermeter offers a remarkable +/-1% accuracy. Whether you're a pro aiming for perfection or a weekend warrior seeking improvement, this powermeter ensures every watt counts.

Unlock Your Potential: From Kona qualification battles to conquering virtual training realms or mastering local KOMs, your goals require accurate and reliable data. The Precision 3+ equips you with the tools to turn your aspirations into accomplishments.

Innovative Integration: Say hello to a lighter package and the convenience of Apple Find My support. Locate your powermeter effortlessly when not in use, adding an extra layer of security to your investment. With up to 800 hours of battery life, your journey continues uninterrupted.

Automatic Terrain Selection: Navigate varying terrains seamlessly with the automatic terrain selector. Adapt to challenges without missing a beat, ensuring your training remains consistent and effective.

Built to Last: Rely on the industry-leading 3-year warranty that accompanies the Precision 3+ Powermeter. It's not just a purchase; it's an investment in your cycling journey.


Features of 4iiii Precision 3+ Powermeter 

Apple Find My: Offering the peace of mind in knowing where your power meter is.

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.

Waterproof: 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.

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

Automatic Terrain Selector: Detects the terrain you’re riding on for more responsive cadence and power feedback/data. Ride the roads less traveled with confidence.

Light Weight: At only 9 grams the Precision 3 Powermeter weighs about the same as a sip from your water bottle. Our goal is to help you get faster, not to slow you down.


Specifications of 4iiii Precision 3+ Powermeter 

Accuracy  +/- 1%
Battery Type CR2032 Coin Cell
Batter Life Up to 800hrs
Waterproof Rating IPx7
Cadence Range 30 - 170RPM
Power Range 0 - 4,000W
Height 5.5mm
Weight 9g
Operating Temperature 0 - 50°C
Communication Protocols ANT+, Bluetooth
Compatibility Shimano 105 FC-R7000
Shimano Ultegra FC-R8000
Shimano Ultegra FC-R8100
Shimano Dura-Ace FC-R9100
Shimano Dura-Ace FC-R9200
Shimano GRX FC-RX810
Shimano XT FC-M8100
Shimano XTR FC-M9100

Instructions of 4iiii Precision 3+ Powermeter 

How Does It Work?

The Precision 3+ Powermeter is so much more than a power meter. It’s your training partner that offers peace of mind. While you are riding, your Precision 3+ Powermeter will transmit Watts, cadence, and calories to your head unit of choice. While the power meter is not in use, Find My is enabled and allows you to see its location on a map. You can add your power meter to the Find My app and locate it on an iPhone, iPad, Mac or using the Find Items app on an Apple Watch.

In The Box:

Once your ride-ready Precision 3+ Powermeter arrives, it just needs to be installed on your bike using the standard Shimano crank installation process. Connect a head unit or computer, and you can start riding with power. Connect to the Find My app with your iPhone or iPad to start tracking your power meter.


If the weather or climate make riding outdoors tough, your 4iiii power meter can be used with all popular indoor-training apps, such as Zwift, TrainerRoad, Wahoo SYSTM, Rouvy, and more. Simply use your favourite app’s connection procedure over ANT+ or Bluetooth Smart, put your bike on a trainer, and get riding!

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