How do I choose the correct size stem? This is a very common question, and we have a great MTB Stem Buying Guide. Please read our blog post on how to choose the correct stem by clicking here. If you have any further questions reach out to us! Didn't find what you're looking for? Contact Us Related articles Headset Question? We can help! How To Upgrade Your Mountain Bike Fork Fox Fork and Shock Upgrades and Service Parts How wide should my MTB handlebars be? What brake adapter do I need?