Marginal gains expert Josh Poertner joins us for a super nerdy deep dive into everything to do with drivetrains. How chains and lubricants actually work? Which lubes are best to use and when? How do you clean and care for waxed chains? What does the future of bicycle drivetrains look like? We discuss all these questions and much more! 00:00 Intro 00:32 Demands on the drivetrain 03:41 Chain lubrication 05:41 Chain efficiency comparison 08:38 Lubricant additives 13:15 Interplay between speed & longevity 14:56 Real world efficiency 19:10 Comparing different types of lube 22:25 Best lubricant for wet conditions 25:07 Best lubricant for off-road riding 26:20 Best lubricant for ultra events 28:42 Future of drivetrains Useful Links: GCN+ | Every. Unmissable. Moment. 👉 https://gcn.eu/93Z Ride with us at the Global Bike Festival 👉 https://gcn.eu/GBF2023 Download the GCN App for free 👉 https://gcn.eu/app Visit the GCN Shop 👉 null Join the GCN Club 👉 https://gcnclub.com/ GCN Training Plans 👉 https://gcn.eu/gcntp Do you want to see us make more deep dive videos like this? 🤔 Let us know in the comments below! 💬 If you liked this video, be sure to give it a thumbs up 👍 and share it with your friends! Watch more on GCN Tech... 📹 Should You Care About Marginal Gains? 👉 https://www.youtube.com/watch?v=oXfhMcrTZX8 📹 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 #drivetrain #bikechain 📸 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 also 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. We also take a deeper look into the future of cycling, apps, smart tech and virtual riding. Join us on the channel and the GCN App to submit your content, vote on the latest tech and keep abreast of exciting new trends. Thanks to our sponsors: Castelli Clothing: https://gcn.eu/Castelli Pinarello Bikes: https://gcn.eu/Pinarello Zipp Wheels: https://gcn.eu/Zipp Topeak Tools: http://gcn.eu/Topeak Canyon Bikes: http://gcn.eu/-Canyon Pirelli Tyres: https://gcn.eu/Pirelli Orbea Bikes: http://gcn.eu/Orbea Vision Wheels: http://gcn.eu/Vision Wahoo Fitness: http://gcn.eu/Wahoo-Fitness Park Tool: http://gcn.eu/-parktool Elite Bottles: https://gcn.eu/EliteBottles Whoop Fitness: https://gcn.eu/Whoop Komoot: https://gcn.eu/komoot Selle Italia: https://gcn.eu/SelleItalia SIS: https://gcn.eu/ScienceInSport Zwift: https://gcn.eu/Zwift Shimano Wheels: https://gcn.eu/Shimano Shadow Stand: https://gcn.eu/ShadowStand DMT Shoes: https://gcn.eu/DMT Silca: https://gcn.eu/Silca MET Helmets: https://gcn.eu/methelmets Watch our sister channels: Global Cycling Network - null GCN Racing - null Global Triathlon Network - null GCN Italia - null GCN en Español - null GCN auf Deutsch - null GCN en Français - null GCN Japan - null GCN Training - null Global Mountain Bike Network - null GMBN Racing - null GMBN Tech - null Electric Mountain Bike Network - null