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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 01-08-07, 04:01 AM   #1
Flamingmb
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My back wheel is possessed!

So a while back I was riding my single speed to school every other day. Then one day as I was riding home it felt a bit sloppy in the back, I check the pressure with my hand at a red light and sure enough it was going flat. I was able to get home but just barely. No biggie, I had a spare tube at home. I put a new tube in and come back later that night and the tire is flat. Didnt even ride the bike with the new tube. I buy a new tube, put in the new tube, goes flat within half an hour. At this point I am a little mad. I buy a 4th tube, check the rims and ture and there is no debris or anything that would give a flat. I put the 4th tube in, it goes flat within half an hour.
At this point I am all out of ideas so I take the 3rd tube and pump it up and realize that it has no puncture! I even put it in a bucket of water and there is no sign of a puncture. So I put the old tube back in and only put it up to 80psi. About 20 mins later it blows, and very loudly I might add.
WTF is wrong with my back tire! Is it just not meant to be?! What could be wrong with it?!
Should I just take it to my LBS and let them deal with it?
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Old 01-08-07, 04:57 AM   #2
AGuinness
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I suggest you locate the area where the tube popped, then match it up to the corresponding area on the rim and/or tire... Inspect that area carefully, the trouble should be right there.

Also — tell us what wheels, tires & tubes you're using. It might help.
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Old 01-08-07, 08:05 AM   #3
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Quote:
Originally Posted by AGuinness
I suggest you locate the area where the tube popped, then match it up to the corresponding area on the rim and/or tire... Inspect that area carefully, the trouble should be right there.

Also — tell us what wheels, tires & tubes you're using. It might help.
+1 Do this with EVERY flat before you put in a new or patched tube.

You probably have a strand of steel belting from a car tire stuck in there. Maybe a piece of glass could do that, but I'm betting on a steel strand...
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Old 01-08-07, 01:11 PM   #4
kmart
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Check the rim tape to make sure none of the spokes are poking through. Then using a glove or a rag run your fingers along the inside edge of the tire to check for glass or metal.
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Old 01-08-07, 01:23 PM   #5
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Your wheel is possessed.
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