When Does A Tailwind Help The Most? | GCN Tech Clinic

Published on November 17th 2021

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Why aren’t all deep-profile aero wheels made of aluminium (or aluminum)? Is it safe to take a grinder to MTB disk brake pads to make them fit a road bike? Do you need to shorten your chain when swapping from a 32 tooth cassette to a 28 tooth? What’s more aero - a rim brake bike with external cables or a disk brake bike with internal cables? Alex answers all of these questions and more in this week’s episode of the GCN Tech Clinic. Subscribe to GCN+ for cycling as you have never seen it before! Live racing, shows & cycling adventure films: https://gcn.eu/plus Subscribe: http://gcntech.co/subscribetogcntech The GCN Shop: https://gcn.eu/6GF #Cycling #GCN #GCNTech #RoadBike Don’t forget to put your questions down in the comments below with #AskGCNTech so we can find them! 0:00 - Intro 0:15 - Why are all deep section wheels carbon? 1:17 - Should you listen to weight-PSI charts? 2:08 - Should you ever grind down brake pads? 3:05 - What's more aerodynamic? Rim or Disc with internal cables? 4:14 - When do you get the most benefit from a tailwind? 5:12 - Can you get away with using the same chain on different-sized cassettes? 6:04 - How do Pro Mechanics change brake pads without needing to bed them in? If you enjoyed this video, make sure to give it a thumbs up and share it with your friends. 👍 Watch more on GCN Tech... 📹 https://gcn.eu/6GG Music - licensed by Epidemic Sound: Berries & Lime - Gregory David A Nifty Piece of Work - The New Fools 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. GCN Japan: https://gcn.eu/subscribe-gcn-japan GCN Italia: https://gcn.eu/GCN-Italia Suscribirse a GCN en Español: http://gcn.eu/Suscribirse Facebook - http://gcntech.co/gcntechfb Instagram - http://gcntech.co/gcntechinsta Twitter - http://gcntech.co/gcntechtweet Zwift: https://gcn.eu/Zwif