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4iiii PRECISION 3+ Left Crank with Ultegra R8100 Power Meter
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PRODUCT DESCRIPTION
4iiii PRECISION 3+ – Left crank with Ultegra R8100 power meter (170 mm)
Power and precision in a compact format
The PRECISION 3+ Powermeter from 4iiii is the most advanced power meter ever made by the Canadian brand. Lightweight, compact, and now featuring Apple Find My support, it's the perfect tool for both professionals and the most demanding amateur cyclists.
Whether you’re training for an Ironman race, racking up miles on the trainer, or chasing a KOM, this powermeter delivers consistent accuracy and reliability with unmatched battery life.
Main features
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Compatibility: Shimano Ultegra R8100 (12v)
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Positioning: 170mm left crank
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Measurement accuracy: ±1%
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Battery: CR2032, battery life up to 800 hours
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Waterproof: IPx7 certification
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Apple Find My support: integrated location tracking in case of loss
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Supported cadence: 30 – 170 rpm
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Power range: 0 – 4000 W
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Warranty: 3 years, industry leading
Benefits for the cyclist
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Compact and lightweight design, does not alter the pedaling
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Ideal for road and indoor training
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Perfect for those looking for long-term reliability
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Professional-level tool accessible even to amateurs
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