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Summary: When changing a bike tire, shift the rear wheel into the smallest cog in the back. Change a bicycle tire with tips from a bike mechanic in this free video on bicycles.
Jeff Moesch has been working in the bicycle industry for nearly 10 years. He started working in Seattle, Washington for various bicycle repair companies in the late 90's. Moesch worked...read more
"Hi, this is Jeff at the Two Wheeler Dealer. Today I'm going to show you how to change a bicycle tire. First thing you want to do is if it's your rear wheel shift the bike into the smallest cog in the back. And the smallest in the front. This will give you the most slack in your chain to allow you to easily drop the wheel out. The next thing is you're going to have to loosen your brakes. Most brakes come equipped with a quick release lever to open them just a little wider to allow the tire to drop through. And then, if you have a quick release, you can flip the quick release lever and that should release the wheel to then drop out. You may have to lift the drill a little. That's how you remove the tire. From there, you're going to need at least one tire lever. Which is going to be one of these. The easiest thing to do is to start directly across from the valve stem. And going to just insert the tire lever under one half of the tire weed. And pull it over and you should be able to just slide it all the way around the edge. And that should basically unzip the tire from the rim. At this point, half of the tire is still mounted to the rim. But you should be able to reach inside and grab the inner tube and remove that. And then, if you need to replace the tire, you can then usually easily remove the other half of the tire from the rim. Now, you're going to install a new tire pretty much exactly the opposite of the removal. I'll start by putting one half of the bead on at the bottom. And then the first half should easily pop on. The next thing is you're going to want to give the new inner tube a little bit of shape. You can do this just by inflating it with a little bit of air. Just like so just so it's round. And then you'll start basically opposite or removal at the valve. Place the valve through the hole in the rim. And then you're going to tuck it up under the exposed open half of the tire. Working to the opposite of the valve stem. Once you get that tucked up in there, you can then start at the stem by installing the other half of the tire bead into the rim and again, working opposite the valve. And just slowly working or pushing the inner tube up in, as to make sure not to pinch it as you go. You should end up with a little bit that's going to be difficult to pop on directly across from the valve stem. And a lot of times you can just work it with your thumbs and pop it on and then you can proceed to inflate the tire up to recommended tire pressure which should be written on the side of the side wall of all tires. And that's how you install a new tire."
eHow Article: How to Change a Bicycle Tire