Does anyone have any idea what could be causing my continuous punctures? Have had 3 tubes in a row develop this same cut, seen in the image, in the same area of the tube each time. Have cleaned out the tire wall and wheel put the problem persisted. I am relatively new to attempting to maintain own bike, so thought I would try here before caving to the bike shop. Thanks!
by Puzzleheaded_Fly825
15 Comments
There is 100% something lodged in your tire you havent found. Just the outside of the tire for a corresponding whole. Chance its a piece or glass or radial.
Piece of glass stuck in the tyre? It’s a common practice to check on such things after every flat.
Btw it is easy to repair that hole, no need to get a new tube every time.
Is it on the inside or the outside of the tube? If the outside (facing the ground/tyre) the answer is that you have missed something stuck in the tyre. If inside, it’s a rough spoke or spoke hole cutting it so get some new rim tape.
The only other explanation is a pinch flat (more likely on inner side of tube) caused by too low tyre pressure
assuming this isnt on the inside part so that rules out the spokes puncturing it
if its not from riding and getting really unlucky with a specific piece of broken glass. do you perhaps have a cat that has a habit of biting
Vode furou o pneu e nao retirou o que causou o furo, verifique passando a mao levemente por dentro do pneu, tome cuidado para nao se cortar e so sentir onde está oque esta furando sua camera
Definitely something in the tyre that you are missing. Check the rim as well. Sometimes there are slight aberrations that can cut the inner tube too
Top tip. Line up the label on your tire with the valve stem. Then you can isolate the place on your tire that is giving you these flats.
This is the reason you line up your tire label with the valve stem. Find where the hole is in relation to the valve stem and check that same area on the inside of the tire. Other option is to run your fingers all the way around the inside of the tire. You’ll find the culprit.
Locate the spot on the tire, where something is giving you flats feel the inside of the tube. There’s probably a piece of wire or glass stuck in there. Be careful you’ll cut the end of your finger and it hurt hurts.
Use a cotton ball and run it around the inside of your tire. If something like a small piece of wire is in your tire it will snag on the cotton and you can remove it.
You could have something (usually a small piece of wire) stuck in your tire that keeps poking your tube. They can be hard to see by eye.
One good way to check for something stuck inside the tire is to run a cotton ball around the inside and see if it gets snagged on anything.
I’d try this: take the tire in your hands in a very well lit place. Turn it the way it doesn’t want to turn, one short section at a time, pushing the tread with your thumb so that the inner part of the tire bulges out. Now, scan the tire slowly, and use a cotton wad to wipe the surface.
This is a good way of finding whatever it is that’s stuck in the tire, either by sight or by having the cotton wad get snagged. I once found a really sneaky piece of glass this way: without manipulating the tire, I couldn’t feel or see anything, but it was still ready to make another puncture.
Quick question: Do you have tape inside your rim or just the spokes screwed to your rim? Last time I had similar issues was the bike service removed my rim tape after a quick wheel alignment, and I only figured it out after 2 punctures on the outside of the tube.
This could have been written by me. Yesterday. I eventually did find the very small shard/wire/rock but the light had to be just right. It held air at home, but when riding it went flat, so I guess the added pressure of being under weight did it. If you can’t find it, just get a new tire and be done with it. Not ideal, but sometimes piece of mind is worth it and makes your next ride worry free.
Turning the tire inside out will expose any sharp bits easily.