Manon and Alex are back again this week to answer your burning tech questions. This week we have answers about the rolling resistance of tubeless tyres, whether to get hooked or hookless rims, advice on torque wrenches and a debate about how best to spend $1000 on a road setup. 0:00 Intro 0:20 Will My GoPro Make Me Less Aero? 1:10 Fix Or Replace Bent Valve Cores? 1:56 Tubeless Has Less Rolling Resistance? 3:12 Old Frames Compatible With Di2? 3:59 Will A Chip Weaken Carbon Wheels? 5:13 Hooked Or Hookless Rims? 6:13 Torque Wrench Advice? 7:01 $1,000 To Spend On Road Setup? 8:!3 Is A Torque Wrench Worth It? 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 us at the Global Bike Festival: https://gcn.eu/global-bike-festival Join the GCN Club: https://www.gcnclub.com/ If you have a tech queries of your own, you can send it to us in the comments below, using the hashtag #AskGCNTech and we may include it in a future episode! 💬👇 If you liked this video, be sure to give it a thumbs up 👍 and share it with your friends! Watch more on GCN Tech... 📹 What's The Best Value Upgrade For Your Bike? 👉 https://gcntech.co/BestUpgrades 📹 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 🎵 For the Moment - Almost Here Lounge Hour - Golden Age Ratio Not That Serious - Nocturnal Spirits #gcntech #gcn #cycling #roadbike #bike #bicycle #maintenance #clinic #ask 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 Espanol - null GCN auf Deutsch - null GCN en Francais - null GCN Japan - null GCN Training - null Global Mountain Bike Network - null GMBN Tech - null Electric Mountain Bike Network - null