Over 2,000,000 Million Customers Served!!!

Need Help? Click the Live Chat to Talk to a Gearhead 💪

Enjoy Free Shipping on Orders Over $75 – Available Within the Lower 48 States!

SKU: PWUT0015

4iiii Precision 3+ Power Meter for Shimano Ultegra R8000, 170mm Crank Arm, Lightweight Waterproof Cycling Power Meter with +/-1% Accuracy, Bluetooth & ANT+ Connectivity, Advanced Terrain Support, Find My Support, Industry-Leading 3-Year Warranty

Regular price $408.88
$389.99 Sale price $408.88 Regular price
Sale Sold out
Unit price
/per 
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description
Specifications

Elevate your cycling performance with the 4iiii Innovations Precision 3+ Power Meter for Shimano Ultegra 8000, designed specifically for serious riders seeking accuracy, durability, and smart technology integration. This high-performance power meter seamlessly integrates with your bike's Ultegra 8000 crankset, featuring a 170mm arm length and a Hollowtech II spindle interface for a precise fit.

Materials & Engineering:

Constructed from lightweight, durable materials, the Precision 3+ Power Meter weighs just 9 grams, ensuring minimal impact on your bike's weight and handling. Its waterproof design guarantees reliable performance in all weather conditions, making it ideal for year-round training and racing.

Performance & Technology:

boasting industry-leading 1% watt accuracy, this power meter provides precise measurement of watts, cadence (30-170 RPM), and calories burned, transmitting data via ANT+ and Bluetooth-compatible devices. With a power range of 0-4000W, it accommodates the most intense efforts on climbs or sprints. The automatic terrain selector adjusts performance parameters based on riding conditions, optimizing data consistency and reliability.

Smart Features & Connectivity:

Support for Apple Find My feature ensures your power meter remains locatable, even when not attached to your bike. With up to 800 hours of battery life from a standard CR2032 coin cell, it's designed for extended use and low maintenance. An easy-to-read indicator light signals unit status, while the compact, low-profile design minimizes aerodynamic drag.

Use Case & Style:

Perfect for competitive cyclists, triathletes, and fitness riders, the Precision 3+ Power Meter enhances your training and racing by delivering accurate, real-time power data. Its sleek black finish complements any bike setup, providing an integrated look for riders who demand both style and function.

Durability & Warranty:

Backed by a industry-leading 3-year warranty, the 4iiii Precision 3+ Power Meter offers peace of mind alongside top-tier performance. Its compatibility with Ultegra 8000 cranksets and seamless connectivity makes it an essential upgrade for serious cyclists looking to maximize their training efficiency and race results.

Upgrade your cycling experience with the 4iiii Innovations Precision 3+ Power Meter - the ultimate tool for accuracy, smart tech, and reliable performance.

  • High-precision power measurement with +/-1% accuracy for reliable training data during intense cycling sessions
  • Equipped with advanced Bluetooth and ANT+ connectivity for seamless integration with bike computers, fitness apps, and training platforms
  • Supports Apple Find My integration, enabling effortless tracking and location of your power meter via iPhone, iPad, Mac, or Apple Watch
  • Durable, waterproof design constructed from lightweight materials (only 9 grams), featuring a low-profile and sleek aesthetic ideal for competitive and recreational riders
  • Industry-leading 3-year warranty combined with up to 800 hours of battery life (CR2032 coin cell) for long-lasting performance and peace of mind on every ride
Length170mm
ColorBlack
Model NamePrecision 3+ Ultegra 8000
Spindle InterfaceHollowtech II
Shipping
Returns
About Us
Contact Us

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!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

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.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

*Please allow up to 3 business days for us to process your return*

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!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

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


Company Core Values: 

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. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)