Is My Stem Too Long? | Ask GMBN Anything About Mountain Biking

Published on June 7th 2018


What will reducing the length of your stem do for the handling of your mountain bike? Which is the most cost efficient, hiring or buying a bike? And fat tyres for Martyn's wheelchair? All this and more in this weeks Ask GMBN! Subscribe to GMBN: Get exclusive GMBN gear in the GMBN store! Don't forget to leave your questions in the comments below using the #askgmbn or by emailing them to us at! If you'd like to contribute captions and video info in your language, here's the link 👍 Watch more on GMBN... 📹 All GMBN Dirt Shed Show's Here | Click here to buy GMBN T-shirts, hoodies and more: