If you are replacing the back tire, then it’s important to adjust the gears to the smallest ring beforehand to make it easier to remove the tire. The smallest ring is the outer gear of the bike.

Listen to your bike, a smooth gear change should be almost silent. If you hear clunking or grinding, it may be a sign that your gears aren’t aligned properly or need adjustment.

If you’ve got a bike, there’s a good chance it’s set up with a derailleur at the rear and a bunch of gears to help you cycle more efficiently. And while that derailleur might be controlled ...