Bike Mechanics Basics: How to use barrel adjusters for brakes and gear shifting

Understanding barrel adjusters is really important if you want to tweak or make minor adjustments to your brakes or gear shifting. This is always the first place to start before getting involved with other more impactful methods of adjusting brakes/shifting.

Essentially, barrel adjusters are a great way to fix problems without needing to use tools or take your bike into the shop.