Originally Posted by
mtnbke
I've never seen someone suggest there was such a thing as a 27" tube. If you look on most 622/700c tubes you'll see on the box that they are marked for both the 622/700c size AND the comparable 630/27" size. Tubes stretch and the 8mm variance isn't enough for their to be a difference in what tube to use. Did you intend to state that 700c/27" Schrader tubes were hard to find?
That's what I meant to say was that a Schrader tube in a 700/27 size is hard to find a high quality one, you can find cheap poor quality heavy ones at Walmart but not the better quality constructed and lighter weight ones. Thanks for catching that.