This week on the GCN Tech Clinic, Jon talks stem length, tyres that are too wide for your frame, and gets an answer from SRAM for a viewer's question.

Subscribe: http://gcntech.co/subscribetogcntech
The GCN Shop: https://gcntech.co/8U
GCN Tech Uploader: http://gcntech.co/upload

In the Tech Clinic, Jon answers:
• Can you put mountain bike wheels on a hybrid road bike?
• Can you upgrade SRAM Red 10 speed to SRAM Red 11 speed by changing only the cassette, chain and shifters?
• How do you protect carbon fiber cycling shoes?
• Would we recommend winter cycling shoes?
• Is it necessary to re-grease a direct-drive turbo trainer freehub?
• If my frame's tyre width limit is 23mm, is there a way that I can run 25mm tyres?
• Will Shimano 105 R7000 jockey wheels work in an older Shimano 105 5600 rear derailleur?
• How do I stop cleat bolts from getting corroded?
• Help! My saddle height is the same as my stem height, how do I get more aero?

Lastly, here's the link to the yojimg stem comparison tool Jon mentions: https://gcn.eu/13j

If you enjoyed this video, make sure to give it a thumbs up and share it with your friends. 👍

If you'd like to contribute captions and video info in your language, here's the link - https://gcntech.co/8R

Watch more on GCN Tech...
Another GCN Tech Clinic 📹 https://gcntech.co/8S
How to winterproof your road bike 📹https://gcntech.co/8T

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 goes deeper into the bikes, kit and technology stories that matter.

GCN Tech is utterly obsessed with seeking out and showcasing the best in bikes, tech, products and upgrades. Everywhere. Every week. From news and rumours, first ride exclusives, how-tos, the weekly GCN Tech Show, pro bikes, set-up tips and more, we geek out over the tiny details that can make the big differences to you.

With years of racing and industry expertise, we also bring you instructive maintenance videos to hone your mechanical skills, as well as behind the scenes factory tours and in-depth analysis of kit chosen by the pro peloton to keep your finger on the pulse of cycling’s latest technological innovations.

Engage with us every week on the channel and across social media – we’re here to answer every question you’ve got on cycling tech.

Suscribirse a GCN en Español: http://gcn.eu/Suscribirse
Facebook - http://gcntech.co/gcntechfb
Instagram - http://gcntech.co/gcntechinsta
Twitter - http://gcntech.co/gcntechtweet