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Non-Drive Side Power Meters

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Dual Side
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PRECISION 3+
PRECISION 3+ PRO
PRECISION 3
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Power Meter Comparison

Feature PRECISION 3+ PRO PRECISION 3+ PRECISION 3
Type Dual Non-Drive Side Non-Drive Side
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- -
CR2032 Coin Cell
up to 550 hrs up to 800 hrs up to 800 hrs
IPx7 IPx7 IPx7
Cadence Range 30 - 170 rpm 30 - 170 rpm 30 - 170 rpm
Power Range 0 - 4,000 W 0 - 4,000 W 0 - 4,000 W
5.5 mm 5.5 mm 5.5 mm
29 g 9 g 9 g
Operating Temperature 0 - 50 ºC 0 - 50 ºC 0 - 50 ºC
Storage Temperature -40 - 60 ºC -40 - 60 ºC -40 - 60 ºC
IPX7
Withstands incidental exposure to water of up to 1 meter for up to 30 minutes.

Apple Find My

Offering the peace of mind in knowing where your power meter is.

Accuracy in 3D

With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke.

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.

Left Right Balance

Dual power meters measure the power from each individual leg to calculate your total power output.

Cycling Metrics

Get more data like pedal smoothness and torque effectiveness to analyze and optimize your pedal stroke.

Water Resistance

Engineered for durability, our IPX7 water-resistance rating ensures your heart rate monitor keeps pace with you, handling your most grueling training days without missing a beat.

Water Resistance

Engineered for durability, with an IPX7 water-resistance rating you can be assured that your power meter can handle the toughest conditions.

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 power meters are backed by an industry-leading 3 year warranty.

Battery Life

Our products’ impressive long-lasting battery life means you won’t have to worry about frequent battery changes.

With an ultra low profile design, your 4iiii power meter is compatible with more bike frames than ever before.

Light Weight

4iiii makes the lightest power meters on the market. We’re committed to helping you get faster, one gram at a time.

ANT+ & Bluetooth

Get the same numbers training inside and outside. The Viiiiva is both ANT+ and BLE compatible so you can use it on your preferred head unit and favorite indoor training app.

4iiii power meters communicate their measurements over both ANT+ and Bluetooth, letting you read and record your power numbers on an enormous catalog of head units, sport watches, smartphones, and computers.

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