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Old tube question

Old 06-20-12, 11:39 PM
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Old tube question

This is for the vintage riders, I've got a Bickerton 3spd and the front tire's flat. In trying to take the tube out, I notice that it's got a tube with a completely threaded valve stem down to the tube and it's secured at the rim with a rounded bolt...what do you call a bolt without faces? A set-bolt? A thumb-bolt? I think you get the idea.

Can I just replace the original tube with a newer standard valve stem tube? Actually, since the tire is likely original as well from 1976, I should probably replace it as well. :-\ It was sticking to the inside of the rim when I attempted to take the tube out.
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Old 06-21-12, 12:18 PM
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Schwalbe still does that with their Schrader tubes, which is one reason why I always buy their tubes.

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Old 06-21-12, 02:00 PM
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Had some old Michelin tubes the stem had a steel plate, inside,
a second one on the outside,
and the ring nut was clamping them together..
had less trust in the bonding of the rubber to the stem, + they
likely were still selling Tubed tires in like Citroen 2CV's wheels..
so had lots of tubes made.
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Old 06-21-12, 04:34 PM
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Originally Posted by alhedges
Schwalbe still does that with their Schrader tubes, which is one reason why I always buy their tubes.

Interesting. I still think the tube was original tho ;-)
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Old 06-21-12, 04:40 PM
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In any case, yes a standard all rubber Schraeder valve (American valve) inner tube can be used on a rim that originally had a steel threaded Schraeder valve (American valve)
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Old 06-21-12, 05:03 PM
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Originally Posted by Leo H.
...secured at the rim with a rounded bolt...what do you call a bolt without faces? A set-bolt? A thumb-bolt?
Not BOLT, but NUT
Specifically , a knurled nut, or thumb-nut.
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Old 06-21-12, 05:06 PM
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Originally Posted by shadoman
Not BOLT, but NUT
Specifically , a knurled nut, or thumb-nut.
D'oh! Thanks for the correction. It was obviously too
late last night when I wrote that.
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Old 06-21-12, 05:07 PM
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Originally Posted by BicycleGuy
In any case, yes a standard all rubber Schraeder valve (American valve) inner tube can be used on a rim that originally had a steel threaded Schraeder valve (American valve)
Thank you.
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