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Old 03-26-08, 06:33 AM   #1
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Exceeding tire pressure

Last week there was a thread about tires bursting due to over exposure to heat, and someone said they regularly inflate their tires to 30 psi above the rated pressure...if I remember right.

I have only exceeded the rated pressure on a tire one time, and I had a blowout 5 miles into that ride, and have never done it again. Of course, I'm a clyde and I usually run 700 x 28 or 32mm tires that only take around 90psi....slow but comfy.

Just curious if any of you guys regularly exceed the max rated pressure on tires and get away with it.
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Old 03-26-08, 06:47 AM   #2
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It is usually safe to exceed the max pressure listed on sidewalls. Exceptions due to bad tires, non-hooked rims
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Old 03-26-08, 08:55 AM   #3
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I would just recommend a better tire. Also, make sure you aren't doing any large descents where your rims will heat up due to brake friction (I've blown properly inflated tubes on large downhills before).
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Old 03-26-08, 09:08 AM   #4
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The "bursting pressure" on a tire is supposed to be at least double the recommended pressure, so it is usually ok to exceed by a bit. A larger volume/diameter tire like the 28's or 32's that you ride will tolerate overinflation better than a narrow racing tire.
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