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Changing a Flat Tire on a Bike

By Niki Jamieson, TriathaNewbie.com Staff

Triathlon ResourceChanging a flat can be very scary when you don't know what you're doing. We've broken down the process so that you can change your tire in a gif! Remember to have your Pump and Bike Repair Kit on hand as well.

  • Release your brake: There is a release that is located above the tire where the brake attaches. All releases are different. Once you locate yours, release the brake so that the tire can fit out between the brake pads.
  • Release your tire: The release is located in the center of your tire. Some have a quick release where you turn a lever and others need a wrench to loosen a nut. Release the tire so that you can put it on a flat surface to work.
  • Pull off the tire: Starting from the opposite end of the valve (place you put the air in), pull the tire out from inside the rim (the metal part of the wheel). You may need a small spoon-like tool to pry it off. All you really need to do is pull out one edge.
  • Pull out the tube: Starting from the opposite end of the valve, pull out the tube. You may have to let out some air if it's not already deflated.
  • Replace the tube: Starting from the valve end, put the new tube inside the tire carefully.
  • Put the tire back on: Starting from the opposite end of the valve, tuck the tire back into the rim. Be sure it doesn't pinch the tube inside. You may need a tool to pry the last few inches onto the wheel.
  • Fill up the tire! Look for the PSI on the tire and pump it up to or just below that number. Use a tire gauge if necessary. Do not over fill the tire or the ringing in your ears will be your souvenir -- not from changing your first tire -- but EXPLODING it.


Let us know how your first tire-change goes! We'd love to post any additional tips or funny stories you have.

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