Equipment > Components > Power Meters > Power Meter - Cranksets
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Description
The PRECISION 3+ Non-Driveside Power Meter from 4iiii is the brand’s most advanced and compact power meter to date, offering elite-level accuracy and reliability in a lightweight design. With up to 800 hours of battery life, an automatic terrain selector, and an impressive ±1% accuracy, this power meter is trusted by both professional cyclists and dedicated enthusiasts. Whether you're training for a Kona qualification, improving your personal best, or grinding out virtual rides, the PRECISION 3+ ensures that every watt counts. It is also backed by an industry-leading 3-year warranty, making it a durable and dependable choice for any rider.
More than just a power meter, the PRECISION 3+ acts as a training companion and a security feature with Apple Find My integration. During rides, it transmits watts, cadence, and calorie data to your preferred head unit or cycling computer, providing real-time performance insights. When not in use, Find My lets you track the device via an iPhone, iPad, Mac, or Apple Watch, ensuring peace of mind. The ultra-low profile design enhances bike frame compatibility, and at only 9 grams, it adds virtually no extra weight to your ride.
Setting up the PRECISION 3+ is quick and straightforward. It easily installs using the standard Shimano crank installation process. The power meter is waterproof (IPX7 rated), built to withstand harsh weather conditions, and supports ANT+ and Bluetooth Smart connectivity for seamless device pairing. Designed to function across a wide cadence range (30-170 rpm) and power range (0-4,000W), the PRECISION 3+ Power Meter is the ultimate tool for cyclists looking to optimize their performance with cutting-edge technology.
Return to TopFeatures
- The PRECISION 3+ Non-Driveside Power Meter is 4iiii’s most advanced and compact power meter, designed for both professionals and dedicated cyclists
- Offers up to 800 hours of battery life, an automatic terrain selector, and ±1% accuracy for precise performance tracking
- Apple Find My integration allows users to track the power meter via iPhone, iPad, Mac, or Apple Watch when not in use
- Transmits watts, cadence, and calorie data to a connected head unit or cycling computer for real-time insights
- Ultra-low profile design enhances compatibility with more bike frames, and at only 9 grams, it adds minimal weight
- Waterproof with an IPX7 rating, making it durable and resistant to tough weather conditions
- Supports both ANT+ and Bluetooth Smart connectivity for seamless device pairing and data transmission
- Designed to function across a wide cadence range of 30-170 rpm and a power range of 0-4,000W
- Easy installation using the standard Shimano crank process for a quick and hassle-free setup
- Backed by an industry-leading 3-year warranty for long-term reliability and peace of mind
- Available in multiple Shimano Crank Arm Options and Sizes