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SKU: PWUT0010

4iiii Precision 3+ Power Meter for Shimano Ultegra R8100 - Ultra-Light 170mm Hollowtech II Spindle, +/-1% Accuracy, Bluetooth & ANT+ Connectivity, Industry-Leading 800-Hour Battery, Waterproof Cycling Power Meter with Find My Support, Fits Road Bikes

Regular price $470.34
$449.99 Sale price $470.34 Regular price
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Description
Specifications

Unlock Peak Cycling Performance with the 4iiii Innovations Precision 3+ Power Meter Ultegra 8100 - 170mm

Enhance your ride with the advanced engineering and cutting-edge technology of the 4iiii Innovations Precision 3+ Power Meter, specifically designed for Shimano Ultegra 8100 groupsets. Crafted with lightweight, durable materials, this high-precision power meter is engineered to elevate your cycling performance while providing seamless integration and versatile features for every rider.

Materials & Build Quality

Constructed with a robust yet lightweight (only 9 grams) carbon-infused composite housing, the Precision 3+ Power Meter ensures durability and minimal weight addition. The spindle interface features a Hollowtech II design, guaranteeing compatibility with Shimano Ultegra 8100 cranksets, and delivering reliable power data transmission in all riding conditions. Its waterproof construction protects internal components from the elements, making it suitable for all-weather riding.

Performance & Engineering

Achieve up to +/-1% accuracy with real-time wattage, cadence, and calorie measurement, enabling precise training and performance analysis. The power meter supports a broad power range from 0 to 4000 watts and a cadence range from 30 to 170 RPM, suitable for all rider levels and racing disciplines. An automatic terrain selector intelligently adjusts data collection based on your riding profile, ensuring optimal performance monitoring across varied terrains.

Components & Technology

Featuring advanced ANT+ and Bluetooth connectivity, the Precision 3+ seamlessly pairs with your compatible head unit, smartphone, or cycling platform. An indicator light provides quick visual confirmation of device status, while the industry-leading 3-year warranty offers peace of mind with long-term reliability. Supported by a CR2032 coin cell battery, the power meter delivers up to 800 hours of battery life, reducing maintenance and downtime.

Style & Use Case

Designed with a sleek black finish and a low-profile form factor, this power meter not only delivers top-tier performance but also a clean, professional aesthetic ideal for serious cyclists, triathletes, and cycling enthusiasts. Its compatibility with Apple's Find My support introduces a new level of convenience, allowing you to locate your device effortlessly via your iPhone, iPad, or Mac, and track its location with the Find Items app on your Apple Watch.

Innovative & Differentiating Features

The Precision 3+ Power Meter stands out with its integration of Apple Find My support, setting a new standard for bike tech safety and security. Its automatic terrain selector, combined with industry-leading accuracy and long battery life, makes it a versatile, reliable choice for both training and competition. Backed by a comprehensive 3-year warranty, this device is built to perform, endure, and innovate alongside your cycling journey.

Upgrade your cycling setup with the 4iiii Innovations Precision 3+ Power Meter Ultegra 8100 - the perfect blend of precision engineering, smart technology, and sleek design for serious cyclists seeking maximum performance.

  • Support for Apple Find My technology enables easy tracking and security of your power meter during rides and storage.
  • Built with lightweight, durable materials weighing only 9 grams, the Precision 3+ Power Meter ensures minimal extra weight while maintaining excellent durability and performance.
  • Utilizes advanced ANT+ and Bluetooth connectivity for seamless integration with most cycling head units, providing real-time data including watts, cadence (30-170 RPM), and calorie output with +/-1% accuracy.
  • Features industry-leading 800+ hours of battery life with a convenient automatic terrain selector that adjusts power calculations based on riding conditions, optimizing performance and data precision.
  • Designed with a sleek, low-profile 170mm crank arm compatible with Shimano Ultegra 8100 series, combining high-performance engineering with a clean aesthetic suitable for professional and enthusiast cyclists alike.
Length170mm
ColorBlack
Model NamePrecision 3+ Ultegra 8100
Spindle InterfaceHollowtech II
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


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These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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