You may wish to change the size of your brake rotors for a number of reasons. Maybe you're only riding on flat roads so don't need 160mm brakes on the front, or maybe you're planning to descend some alpine climbs so need the extra stopping power! Either way, you'll need to learn how to change the rotor size, and Alex can show you how! 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/ What other maintenance tips do you want Alex to give you? Let us know in the comments below!👇 Watch more on GCN Tech... 📹 Rim Vs Disc: The End Of The Debate 👉 https://gcn.eu/72n 📹 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 🎵 Swoosh 01 Short - Jon Bjork Cadillac - peerless #gcntech #gcn #cycling #roadbike #maintenance #bikemaintenance #mondaymaintenance 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