Rusty Chains, Wireless Braking & The Truth About Heat Training | GCN Tech Clinic

Welcome back to the GCN Tech Clinic, where we tackle your latest bike maintenance and technology questions! In this episode, we discuss what to do if you've found surface rust on your chain, the technical hurdles facing wireless braking, and whether indoor training without a fan actually counts as heat training. We also do the math on how much time losing 4kg will actually save you on a climb like Alpe d'Huez. Chapters: ⏱️ 00:00 - Welcome to the GCN Tech Clinic 00:25 - Is a rusty chain a big problem? 02:21 - Will we ever see wireless braking? 04:39 - How to check your shifter battery levels 06:18 - Training without a fan: Does it count as heat training? 08:14 - Is chain waxing suitable for wet climates? 11:06 - How much faster is losing 4kg of weight? Useful Links: GCN Tech Uploader 👉 https://gcn.eu/techuploader Subscribe so you don’t miss a thing 👉 https://gcntech.co/subscribe Insurance: Viewers in the USA and UK can explore GCN Insurance products 👉 https://gcn.eu/GCNinsurance Sign Up To The GCN Newsletter 👉 https://gcn.eu/Newsletter Visit the GCN Shop 👉 https://gcn.eu/gcnshop GCN WhatsApp Channel 👉 https://gcn.eu/GCNwhatsapp GCN Instagram Broadcast Channel 👉 https://gcn.eu/instagrambroadcast Join the GCN Club on Zwift and ride with us! 👉 https://gcn.eu/GCNClubRides Would you ever trust a 'brake-by-wire' wireless system on your own bike, or is the risk just too high? Let us know your thoughts on the future of braking in the comments! 👇 Watch more on GCN Tech... 📹 https://youtu.be/d3KMHHLkwdU 📹 Watch our Editor’s Choice Playlist 👉 https://gcntech.co/EditorsChoice 📹 Watch the latest GCN Tech Show 👉 https://gcntech.co/GCNTechShow 🎵 Music - licensed by Epidemic Sound 🎵 #gcntech #gcn #cycling #roadcycling #roadbike #bike #bikes #bikelife #biketech 📸 Photos - © Velo Collection (TDW) / Getty Images & © Sprint Cycling Agency Brought to you by the world’s biggest cycling channel, the Global Cycling Network (GCN), GCN Tech is the only channel you need for all things bike tech – past, present and future. Simply put, we’re obsessed with tech: we seek out and showcase the best in bikes, components, tech, accessories, upgrades and more from races and events, tech shows and product launches across the globe to bring you the best in road bike technology. We’ve got great maintenance videos to help you get the most from your bike; pro-bike tours from all the biggest races; special features and the weekly GCN Tech Show! Thanks to our sponsors: Canyon Bikes: http://gcn.eu/-Canyon Orbea Bikes: http://gcn.eu/Orbea Pinarello Bikes: https://gcn.eu/Pinarello Topeak Tools: http://gcn.eu/Topeak CamelBak: https://gcn.eu/Camelbak Pirelli Tyres: https://gcn.eu/Pirelli Vision Wheels: http://gcn.eu/Vision Wahoo Fitness: http://gcn.eu/Wahoo-Fitness Park Tool: http://gcn.eu/-parktool Selle Italia: https://gcn.eu/SelleItalia Zwift: https://gcn.eu/Zwift Gtehcniq: https://gcn.eu/Gtechniq Core Body Temperature: https://gcn.eu/corebodytemp Precision Fuel & Hydration: https://gcn.eu/precisionhydration Elitewheels: https://gcn.eu/Elitewheels CeramicSpeed: https://gcn.eu/GCNCeramicSpeed HJC Sports: https://gcn.eu/hjcsports Shimano: https://gcn.eu/shimano Cyclowax: https://gcntech.co/cyclowax Watch our sister channels: Global Cycling Network - https://www.youtube.com/@gcn GCN Racing - https://www.youtube.com/@gcnracing Global Triathlon Network - https://www.youtube.com/@gtn GCN Italia - https://www.youtube.com/@gcnitalia GCN en Español - https://www.youtube.com/@gcnenespanol GCN auf Deutsch - https://www.youtube.com/@gcnaufdeutsch GCN en Français - https://www.youtube.com/@gcnenfrancais GCN Training - https://www.youtube.com/@GCNTraining Global Mountain Bike Network - https://youtube.com/@gmbn GMBN Racing - https://youtube.com/@gmbnracing GMBN Tech - https://www.youtube.com/@gmbntech Electric Mountain Bike Network - https://www.youtube.com/@embn