[ExI] 26 inch tube

[spike]

Hey here's a fun one for you.  I ride a recumbent bicycle nearly every day,
not to get somewhere in particular but just to ride and exercise.  If I get
a thorn puncture, I carry a spare tube rather than patches.  Patches work
but tubes aren't expensive, and it is typically over a thousand miles
between flats.  It is always the back tire on a recumbent, since all my
weight is over the back tire.  

 

Yesterday I had a flat close to home, longer than I wanted to walk, so I got
out the spare tube only to discover that they had packaged a 26 inch tube in
a box labelled 20 inch, so of course the tube didn't fit.  I walked the bike
home mumbling and cursing a pox on Walmart for mislabeling the tube.

 

Then it occurred to me: that longer tube might have worked anyway.  It would
have a section which folded back on itself, which would make the tire
unbalanced, but for low speeds such as on a typical recumbent, that wouldn't
matter much.

 

Question: can anyone think of a reason why a longer inner tube wouldn't
work?

 

spike

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