Originally Posted by
Maro
I used a 26" tube on a 700 x 32 on a touring tire.
this was a few thousands km ago. I almost forgot about it.
and I use it at 80-100PSI, too.
I don't doubt it would work. I just think it would be more difficult to mount. 27" tubes (and their cousins - 700C tubes ) are almost as common as 26" tubes, so the former is the better choice if available.