How to Fix a Flat Tire - TheWeekendBicyclist
Every bicycle rider (at least the adults) should Know how to fix a flat tire. Unless you always ride with another person that knows the procedure, you need to know how to do it. If you are 5 or 10 miles from home and get a flat, you don't want to have to walk your bike home. I know from personal experience, having done it a time or two. I've had to walk my bike for a couple of hours!