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From: Roger Merriman <roger@sarlet.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Patching TPU innertube
Date: 30 Dec 2024 11:18:12 GMT
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Wolfgang Strobl <news51@mystrobl.de> wrote:
> Am Thu, 26 Dec 2024 22:10:15 -0500 schrieb Frank Krygowski
> <frkrygow@sbcglobal.net>:
> 
>> On 12/26/2024 5:32 PM, Roger Merriman wrote:
>>> 
>>> The issue for me is that while Gravel tires absolutely do feel more supple
>>> with TPU tubes, these are tires while some claimed sidewall protection,
>>> these aren’t like Trail etc MTB tires which have reinforced noticeable
>>> stiff sidewalls is aren’t floppy, each tire is 1kg or so.
>>> 
>>> Hence I wonder if a upgrade to TPU tubes would be noticeable...
>> 
>> 
>> I'd be interested in people's personal measurements of differences. 
> 
> To be honest, I don't care about this difference. I carry a TPU tube in
> the saddlebag because it takes up a lot less space than a standard butyl
> tube and because I don't anticipate needing it for anything other than a
> fallback in case the tubeless tire doesn't get sealed by the sealant.
> 
I used to carry a TPU tube, but couldn’t undo the valve by hand, only had
one it’s not going to get me home moment, which is less than tubes used to
do I’d carry two tubes but not a patch kit.

I do though make sure that I have valve core removal tool aka one of the
valve caps as screw on pumps have a tendency to un screw cores, I avoid
Conti tubes for that reason.

Essentially over the years it’s proved its self to be reliable and even if
one has to pump it up a few times occasionally. And have adjusted what I
need to take with me, which isn’t a tube.

Roger Merriman