Being able to fix a tire on your bike is a fundamental skill that ever rider needs to know. The trouble is, unless you’ve done it before, you probably don’t have any experience with fixing a flat, and most people never have to worry about it, until they do. To remedy this, our friends at REI have put together yet another “how to” video, this time providing insights into everything we need to know when it comes to fixing a flat bike tire. After this, you’ll be all set for the road or trail. Just don’t forget to bring a spare tube.