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Offline mrjacobfisher

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Flat tire
« on: February 19, 2016, 04:39:53 PM »
Good Morning(or whatever it is where you are) all,

We've had an unusual February here and have had a shot of warm days every couple of weeks. Last night, as I put on my jacket and gloves and took the bike off the center stand, I noticed it felt squishier than normal. Looked down and the tire was all but completely flat. I washed the bike about two weeks ago(shame I know, but I prefer it clean...), and it seemed fine then. It has been pretty cold since(below 30°F) and it hasn't moved.

Has this happened to anyone else? I gave it a quick look and didn't see anything obvious stuck in the tire, but I didn't look too long. I assume that as the cold sets in, air pressure can change and such, but the front tire seemed normal. Anyone have any thoughts?

Offline Griff

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Re: Flat tire
« Reply #1 on: February 19, 2016, 05:25:21 PM »
Was the tyre recently fitted ? If so there could be a blemish on the bead that is allowing it to leak over time.  Perhaps the valve core is leaking and needs tightening ?

I assume you pumped it up again and if so how much pressure has it lost overnight ?  Obviously you need to examine the tyre minutely to be sure there is no puncture.

There may have been enough pressure two weeks ago for you not to notice ?

Just some thoughts.......

Offline mrjacobfisher

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Re: Flat tire
« Reply #2 on: February 19, 2016, 05:47:06 PM »
Thanks, Griff.

The bike is pretty new(only about 1k miles on it). I did not examine very thoroughly or put any more air in the tire, as i needed to get somewhere on time. Thanks for the ideas for things to look for. I'm going to give it a good look tonight or tomorrow.

Offline DaMonk45

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Re: Flat tire
« Reply #3 on: February 19, 2016, 06:44:43 PM »
pump it up and check it over night.
that will let you know what you need to
look at or look for.
... but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming "Wow! What a Ride!” ― Hunter S. Thompson.

Offline Jon

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Re: Flat tire
« Reply #4 on: February 19, 2016, 11:33:56 PM »
 Air the tire up, then spit on your finger & wet the valve core to make sure it's not leaking. Air pressure should only change 1/2 to 1 PSI for every 10 degrees F of temperature change. If the core is leaking tighten it up with a valve core tool, but don't over tighten it. If it's not the core then buy yourself a quart spray bottle & fill it with water & add a touch of dawn dish soap. Spray the tire down & watch for bubbles. Be sure to spray the bead area down well to make sure the bead is not leaking. The spray bottle works well for washing your hands up too. I always have a bottle filled in the garage. It's the cheapest tire lube you can buy & works well...

Let us know what you find. :821:
Jon

Offline DaMonk45

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Re: Flat tire
« Reply #5 on: February 20, 2016, 11:52:51 AM »
Jon,
your garage is nicer than my House!.
... but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming "Wow! What a Ride!” ― Hunter S. Thompson.

Offline Rooster

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Re: Flat tire
« Reply #6 on: February 20, 2016, 12:38:00 PM »
Same thing happened to my wheelbarrow. 
Don't worry about things you can't change.

Offline Jon

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Re: Flat tire
« Reply #7 on: February 20, 2016, 01:00:15 PM »
*Originally Posted by DaMonk45 [+]
Jon,
your garage is nicer than my House!.

Time, patience, & money my friend...
Jon

Offline Jonnybiscuit

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Re: Flat tire
« Reply #8 on: February 20, 2016, 01:24:52 PM »
FFS..just ride it. It's only flat at the bottom  :015:

But seriously....this is a wind up surely?  :033:

Offline Griff

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Re: Flat tire
« Reply #9 on: February 20, 2016, 03:24:53 PM »
*Originally Posted by Jonnybiscuit [+]
But seriously....this is a wind up surely?  :033:

Beginning to wonder  :084:

 


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