In this week's clinic, we are answering whether you should get carbon wheels or upgrade your shifting to wireless. Also answered, how do I stop a squeaking screw? Are tyres easier to work on if they're warm? Can you use old downtube shifters on a new cassette and rear derailleur? These questions and more! Chapters: 0:00 - Intro 0:19 - Is a downtube shifter compatible with a modern rear derailleur? 1:48 - Can you fit a mechanical groupset to a bike that had electronic? 2:58 - Are bike tyres easier to work with when they're warm? 4:18 - Do tubeless tyres seal in the rain? 5:36 - Why do the screws on my cleats keep coming out? 6:49 - What is the best upgrade, carbon wheels or wireless shifting? 8:29 - Should I use my alloy rims in the winter instead of carbon, and should I change to inner tubes? 9:55 - How do I stop my bottle cage from rattling? Useful Links: Adventure Documentaries, Exclusive Shows & Live Racing on GCN+: https://gcn.eu/plus Download the GCN App for free: https://gcn.eu/app Visit the GCN Shop: null Join the GCN Club: https://www.gcnclub.com/ Do you have any burning tech related questions? Leave them in the comments below and we'll get back to you in a future video!👇 Watch more on GCN Tech... 📹 The Best Tech At The Ironman World Champs 👉 https://gcn.eu/7Hb 📹 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 🎵 Not What I Expected - Smartface #gcntech #gcn #cycling #roadbike #gcntechclinic #askgcntech #bikehelp #cyclingtips Photos: © Velo Collection (TDW) / Getty Images & © Bettiniphoto / http://www.bettiniphoto.net/ 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 Muc-Off: https://gcn.eu/MucOff 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 Tech - null Electric Mountain Bike Network - null