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The Ultimate Training Combo
A power meter is the ultimate tool for measuring your effort, but it’s what you do with that data that actually makes you faster.
That’s why 4iiii has partnered with JOIN Cycling. We believe that world-class hardware deserves world-class software. For a limited time, when you upgrade your ride with a 4iiii PRECISION Power Meter, you’ll unlock 8 weeks of JOIN’s dynamic training platform—absolutely free. Whether you’re training for your first Gran Fondo or looking to increase your FTP, this partnership gives you the tools you need to crush your goals.
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Train Smarter, Not Harder
Powered by Precision: JOIN’s smart algorithms thrive on highly accurate data. Paired with the industry-leading accuracy of a 4iiii power meter, every single watt you push helps inform and optimize your personalized training plan.
Dynamic & Flexible: Life happens. You miss a workout, the weather turns bad, or you just want to go for a casual group ride instead of doing intervals. JOIN adapts your training plan daily based on your schedule, fatigue, and recent rides. No more guilt, just continuous progress.
Build Habits That Last: Consistency is the true secret to getting faster. As we’ve explored on our blog, JOIN helps you build sustainable habits by making your training fit into your life, rather than forcing your life to revolve around a rigid training schedule.
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How to Claim Your 8 Free Weeks
Getting your free 8-week JOIN training plan is as easy as clipping in. We’ve made the process completely seamless so you can spend less time setting up and more time riding. Here is how to unlock your plan:
Step 1: Gear Up. Purchase any factory installed, ride ready or recycled 4iiii PRECISION 3+ Powermeter or PRECISION 3+ PRO Powermeter.
Step 2: Get Your Link. When your new power meter arrives, look for the exclusive JOIN Cycling sticker inside the box. This sticker is the key to unlocking your 8 free weeks.
Step 3: Connect & Ride. Download the JOIN Cycling app, connect your new 4iiii power meter, set your availability and goals, and start your dynamic training plan.
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What are you Training For?
Data is only as good as what you do with it. Pairing the accuracy of a 4iiii power meter with JOIN’s adaptive coaching turns raw numbers into structured progress. Instead of guessing how hard to push, your power meter captures every watt while the app continuously adapts your training plan to fit your busy life.
Together they are the ultimate training ecosystem, giving you a clear, stress-free roadmap to getting faster so all you have to do is check your plan, clip in, and ride.
Precision Power Meets Dynamic Training
Get 8 Weeks of JOIN Cycling Free With the Purchase of a 4iiii Power Meter.
4iiii and JOIN Cycling have teamed up to take the guesswork out of your training. By pairing our industry-leading, highly accurate power data with JOIN’s dynamic, machine-learning coaching, you turn precision data into real-world results. It’s everything you need to build better habits, adapt to life’s unpredictability, and reach your cycling goals faster.
