Inner Tube Failures

Try putting a drop of oil into the end of the pump hose, to lube and moisten the seal. Works for me
when my pump doesnt want to let go.

-kurd

"C Arnold" <[email hidden]> wrote in message "]news:[email hidden]...

Quoted message said:

In less than a week's time I've had two inner tubes fail when the valve stem pulled out of the
inner tube. The tubes have Presta valves and I'm using a Park Tool tire pump. Any thoughts as to
what is going on here? Besides being annoying it is starting to get expensive. And yes I'm
releasing the lock before trying to pull the pump fitting off of the valve stem.

C Arnold may have said:

In less than a week's time I've had two inner tubes fail when the valve stem pulled out of the
inner tube. The tubes have Presta valves and I'm using a Park Tool tire pump. Any thoughts as to
what is going on here? Besides being annoying it is starting to get expensive. And yes I'm
releasing the lock before trying to pull the pump fitting off of the valve stem.

How old were they? Both the same age and brand, by any chance?

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"Kurd" <[email hidden],net> wrote in message
"]news:[email hidden]...

Quoted message said:

Try putting a drop of oil into the end of the pump hose, to lube and

moisten

Quoted message said:

the seal. Works for me when my pump doesnt want to let go.

Wish you'd told me that two weeks ago, before I cut off the tip of my thumb pulling the pump head
away from the valve! (Rookie roadie + bladed spokes = blood stains on shop rags.)

Bill "much older and wiser now ;-)" S.

C Arnold said:

In less than a week's time I've had two inner tubes fail when the valve stem pulled out of the
inner tube. The tubes have Presta valves and I'm using a Park Tool tire pump. Any thoughts as to
what is going on here? Besides being annoying it is starting to get expensive. And yes I'm
releasing the lock before trying to pull the pump fitting off of the valve stem.

Some brands seem prone to this. If you have more of the same tube, leave the locking nut loose or
skip it completely -- it'll help some. Try a different brand next time 🙂.

David

Quoted message said:

C Arnold said:

In less than a week's time I've had two inner tubes fail when the valve stem pulled out of the
inner tube. The tubes have Presta valves and I'm using a Park Tool tire pump. Any thoughts as to
what is going on here? Besides being annoying it is starting to get expensive. And yes I'm
releasing the lock before trying to pull the pump fitting off of the valve stem.

I see a lot of people twisting and turning the pump fitting to get it off..that puts a lot of strain
on the valve. After releasing the lock..use both thumbs on either side of the fitting and pop it
straight off. Steve

Beware of the Performance tube sale bargain. I bought several at $2 each and three had quick flats
with holes or splits and one came loose from the stem just like yours. From now on, I'm buying
quality tubes.

Tom

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Quoted message said:

In less than a week's time I've had two inner tubes fail when the valve stem pulled out of the
inner tube.

Likely a manufacturers defect. Larry

In article <[email hidden]>, C Arnold says...

Quoted message said:

In less than a week's time I've had two inner tubes fail when the valve stem pulled out of the
inner tube. The tubes have Presta valves and I'm

I have had three of the same failures recently. At least one was a Kenda. I am inflating the tubes
the same way I have been doing for many years.

Yeah, they come "10 for $20". I had 2 punctures (happens to any) and 6 valve stem pull-outs (too
many for coincidence)!

"Tom" <[email hidden]> wrote in :"]news:[email hidden]:

Quoted message said:

Beware of the Performance tube sale bargain. I bought several at $2 each and three had quick flats
with holes or splits and one came loose from the stem just like yours. From now on, I'm buying
quality tubes.

Tom