La pression pneumatique est-elle importante pour rouler plus vite ? | GCN TEST 2

Is there an optimal tire pressure for driving fast? Loïc and Florian experimented with pressures ranging from 3.5 to 7 bars to determine whether tire pressure plays a significant role in speed and performance. What pressure do you inflate your tires to? ____________________ Live race program and documentaries available on the GCN app: https://gcn.eu/fr-programme Download the GCN mobile app: https://gcn.eu/app Discover GCN+: https://gcn.eu/plus Visit the online store: https://shop.globalcyclingnetwork.com/ Join the GCN Club: https://www.gcnclub.com/ Join us using these links: YouTube: https://gcn.eu/GCNenFrancais Facebook: https://gcn.eu/gcnenfrancais-facebook Twitter: https://gcn.eu/gcnenfrancais-twitter Instagram: https://gcn.eu/gcnenfrancais-instagram Click here to register for GCN in French: https://gcn.eu/GCNenFrancais or here to subscribe if you use the YouTube app:    / gcnenfrançais   #cycling #GCNenFrançais #French #roadbike Photos: © Velo Collection (TDW) © Getty Images © Bettiniphoto / http://www.bettiniphoto.net GCN+ is the new platform of choice for watching the most unusual races from around the world, the highlights, exclusive programs, and documentaries* that you can watch live + ad-free + on-demand + all year round. More info: https://gcn.eu/plus *English with English subtitles GCN en Français is THE essential cycling channel for French speakers. GCN en Français brings together all passionate French-speaking cyclists and celebrates the entire world of cycling. Through our videos and their captivating content, cycling fans have access to expert tutorials, technical videos, training videos, professional races, information on the latest technologies, exclusive behind-the-scenes reports from races, humor, entertainment, and much more. Presented by former pro peloton riders, GCN en Français is an expert insight into the world of cycling; but most importantly, it's the passion and enthusiasm our fans bring us through their ongoing engagement—that is, everyone who represents the entire GCN en Français community. We present you with a sneak preview of the latest advances in cycling technology, we also take you on the most beautiful roads and climbs, and you get exclusive access to events and races. Welcome to GCN en Français. We thank our sponsors: Castelli Clothing: https://gcn.eu/Castelli-fr HJC Helmet: https://gcn.eu/HJC Canyon Bikes: https://gcn.eu/Canyon-fr Park Tool: http://gcn.eu/-parktool Wahoo Fitness: https://gcn.eu/Wahoo-Fitness-fr Elite Water Bottles: http://gcn.eu/elite-fr Muc-Off: https://muc-off.com Selle Italia: https://www.selleitalia.com/fr Wahoo Computer and Heart Rate Monitor Belt: https://fr-eu.wahoofitness.com Wahoo Home Trainer: https://fr-eu.wahoofitness.com Zwift: https://www.zwift.com/eu-fr Colnago: https://gcn.eu/Colnago Komoot: https://gcn.eu/-komoot Watch our other channels: GCN - https://gcn.eu/inscrireez-gcn GCN Tech - https://gcn.eu/inscrireez-gcntech GCN en Español YouTube - https://gcn.eu/inscrireez-gcn-en-espanol GCN Italia - https://gcn.eu/inscrireez-gcnitalia GCN auf Deutsch - https://gcn.eu/inscrireez-gcn-auf-deu... GCN Japan - https://gcn.eu/inscrireez-gcnjapan GCN Racing - https://gcn.eu/inscrireez-gcnracing The GCN Club - http://gcn.eu/club GMBN Tech - http://gmbn.tech/subscribe GCN Tech - http://gcntech.co/subscribe EMBN - http://embn.me/subscribe