ZoneX allows for an ultra-precise approach to training and progress tracking.
More accurate than heart rate
Training zones defined based on heart rate are inaccurate.
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Provide your athletes with reliable and accurate measurements so they can progress faster and track their progress.
Simplier than lactate testing
Lactate tests are restrictive and difficult to use.
The tests are time-consuming and the data is unreliable.
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Offer an accurate and simple alternative for equally accurate measurements.
Athletes are increasingly connected
Athletes always want more data
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Provide reliable, personalized data to calibrate training, track progress, and build athlete loyalty.
Respiratory analysis: the solution for more accurate and cost-effective coaching
The VT1 and VT2 ventilatory thresholds are the most reliable markers for defining training zones:
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Non-invasive measurement
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Analysis in real conditions
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Instant identification of VT1/VT2
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Works while running, cycling, or on a home trainer
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No complex protocols
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Results available in less than 20 minutes
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ZoneX works outdoors with a mobile app, on a connected home trainer, or on a treadmill.
Our customers are talking about ZoneX
Kévin Rémondière,
State-certified massage therapist and physical therapist, sports coach
The ZoneX advantage: Ease of use and precision of the device
Lionel LE STRAT
Osteopath
This new sensor promises to understand your effort better than you do
Discover his channel Tous en Selle
Aurélien Gabriele
Athlete
ZoneX is a real revolution for anyone looking to understand their physical thresholds accurately and non-invasively.
Michael Lecuivre
Sports coach
One of the most reliable methods for defining your training zones, particularly your HR1/HR2 and HR2/HR3, in a completely personalized way.
XT Xperience training
Personal trainer
I've been a coach for many years and I've integrated PAIRFS into my testing routines for several months now. It has become the ideal tool for evaluating my athletes' ventilatory thresholds: simple to use, reliable, and perfectly suited to both field and lab environments.
I use it regularly with very different profiles, and the result is always the same: a clear protocol, consistent data and real comfort in working.
Honestly, it's a device I really appreciate — well-designed, precise, and above all, consistent over time.
In short: a high-quality product that brings real value to the monitoring of my athletes.