Learn More
4iiii offers single and dual-sided power meters, in the form of our PRECISION 3+ and PRECISION 3+ PRO Powermeter, as well as a heart rate monitor, the Viiiiva. Our power meters can be purchased as a Factory Install or Ride Ready to accommodate the needs, budget, and bike specs of a wide range of cyclists.
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PRECISION 3+ Platform, with Apple Find My
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4iiii and Apple partner to integrate Find My directly into the PRECISION 3+ platform — track your bike through the world's largest finding network.
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The Technology
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See what’s under the cap.
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Why Train With Power
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Power Meters are essential tools for every type of cyclist.
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