How to Patch a Bike Tire

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Watch more Bike Repair & Equipment videos: http://www.howcast.com/videos/136328-How-to-Patch-a-Bike-Tire Patching a bike's tire inner tube is much easier and faster than it sounds. Step 1: Remove the flat tube from the tire Remove the flat inner tube from the tire. Step 2: Attach tube to a pump Attach the inner tube to a bike pump. Step 3: Pump up the tube Pump up the tire until it's full of air. Step 4: Listen for the escaping air Listen for the hiss of air escaping from the tube. Bring it close to your ear to help. Tip Using a bowl of water, run the air-filled tube through the water. Look for a stream of bubbles emanating from the tube. That's where your hole is. Step 5: Let air out of tube Cover the hole with a finger, detach the pump, and let all the air out of the tube by pressing down on the valve stem. Step 6: Lightly sand the area around the leak With your sandpaper, lightly sand an area around the leak larger than your patch. Step 7: Wipe the leak area clean Wipe clean with your hand or optional towel. Step 8: Cover the sanded area with glue Cover the sanded area with glue. Step 9: Let the glue dry Let glue dry for 5 minutes. Step 10: Put the patch over the leak Separate the patch from its backing and place directly onto the tube, pressing it firmly into the glue. Tip A good rule of thumb is to replace a tube after you've patched it three times. Step 11: Remove the cellophane cover Remove any cellophane cover over the patch and you're ready to go. Did You Know? Bike patches are typically more durable than the tube itself.