Advantage Jonas Vingegaard at the 2025 Tour de France? 'Transformational' Visma breathing sensor approved by UCI
Cycling
In what could be a massive boost for Jonas Vingegaard's hopes to reclaim the Maillot Jaune at the Tour de France later this year, a 'transformational' new breathing sensor used by Team Visma | Lease a Bike has been given the green light by the UCI following a review.
The team of superstar riders such as Vingegaard, Sepp Kuss, Matteo Jorgenson and Wout van Aert, are set to introduce a new performance metric into their training and racing toolkit: breathing — or “ventilation” — sensors. Unlike traditional data points such as power output or heart rate, this technology provides a deeper insight into an athlete’s physiological strain.
The VitalPro sensor, developed by Tymewear, is being touted as the most accurate tool for measuring exercise stress outside of laboratory conditions. With UCI approval secured, the device is poised for imminent release and could soon flood the data-driven peloton with detailed breathing analytics. In theory, it offers elite cyclists the ability to calibrate their effort and manage pain during intense performance perfectly.
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“Measuring ventilation in the field, in the most accurate way currently possible, will provide us massive learnings on how the body copes with efforts in competition. These are efforts that cannot be replicated in training or in the lab,” Team Visma | Lease a Bike's Head of Performance, Mathieu Heijboer, explains in conversation with Velo. “It will help us a lot in optimising training and improving our race strategies.”
“We’ll definitely also use Tymewear in competition, but purely for data collection and learning. There’s still a lot to learn in this area,” Heijboer continues. “We’ll probably use it in the Tour de France this year too, but with no different objective as with other competition. It will just be for data and learning.”
“A reliable, accurate ventilation sensor could be as big a breakthrough as the first heart rate monitor was in the 70s,” adds Tymewear co-founder and CEO Arnar Larusson to Velo, explaining what makes their product so special. “It could even be bigger, even more transformational.”
“This UCI approval is critical for other teams adopting the sensors,” Larusson concludes. “Until now, it was a logistical headache for riders to be switching between a ‘race strap’ without a breathing sensor, and a Tymewear ‘training strap’ with the breath sensor.”
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🇫🇷 #Dauphiné
— Team Visma | Lease a Bike (@vismaleaseabike) June 11, 2025
The bees flew today. 🥵 pic.twitter.com/YzXTTUhQT7
Kieran WoodDeputy Editor-in-Chief
Kieran Wood is a sports journalist based in Wales and has been active in journalism since 2022. He regularly contributes to DartsNews.com and CyclingUpToDate.com, where he covers professional cycling and darts. In cycling, his work includes liveblogs from major races, including the Tour de France, the Giro d’Italia, and La Vuelta a España, alongside race reports and analysis. He has also conducted interviews with professional riders.
His reporting spans the full racing calendar, from one-day classics to stage races, with a focus on accurate, real-time coverage and clear contextual analysis. For statistics, results, and historical context, he regularly uses resources such as ProCyclingStats. To support reporting on rider activity and training context where relevant, he also references Strava.
In his work, Kieran places strong emphasis on careful sourcing, editorial accuracy, and updating articles as new, verified information becomes available.
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- big rival … ridiculous.Ketterechts07-11-2026
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MarkFour07-11-2026 - This is a really interesting idea, which, if well prepared could even be very successful. Very little money needs to be involved for a first season and any success could lead to rapid interest from sponsors.Jumpyjohn07-11-2026
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