Our most powerful unit to date, compressed into a smaller, lighter package and featuring support for Apple Find My, the PRECISION 3+ Powermeter is a proven choice of pros and weekend warriors alike. Read more.
Offering the peace of mind in knowing where your power meter is.
With up to 800 hours of battery life, you won’t have to worry about changing your battery for years to come.
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.
Detects the terrain you’re riding on for more responsive cadence and power feedback/data. Ride the roads less traveled with confidence.
With an ultra low profile design, your 4iiii power meter is compatible with more bike frames than ever before.
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.
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.
A lot can happen in 3 years. You probably won’t need to use it, but it’s reassuring to know that all 4iiii power meters are backed by an industry leading 3-year warranty.
