You've asked your tech questions and we've worked tirelessly to work them all out, there is only one more thing to do... Answers them! Alex and Ollie are here to put your minds at ease. Have you wondered why the cyclists of old suffered on tough gears? Or why you can't mix and match your groupset? Sit back, relax and settle in for another GCN Tech Clinic! 00:00 Intro 00:21 Why did old bikes have small cassettes? 01:56 Can I fit my carbon bike on a roof rack 03:55 Why does my bike have non-105 parts? 05:40 How do I tell what size my tyres will come out at? 07:00 Why is my Floor mat moving when indoor training? 09:24 Why can't I mix and match on my groupset? Useful Links: GCN+ | Every. Unmissable. Moment. 👉 https://gcn.eu/8xF 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 Use #askgcntech in the comments and the team will pick out next week's questions 👇 Watch more on GCN Tech... 📹 Can an Idiot Set up tubeless? 👉 https://www.youtube.com/watch?v=UGfTLgyCplE 📹 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 🎵 Small Trains - The Big Let Down Milk - Cushy Cristaux - Andre Aguado #gcntech #gcn #cycling #roadcycling #roadbike #bike #bikes #bikelife #askgcntech #retrobike #indoorcycling #groupset 📸 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 Giro Helmets: https://gcn.eu/Giro 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 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