Originally Posted by wroomwroomoops
Well, since tim, cycc and danno have already given you all the info you need, I will only ask YOU a somewhat OT question - note that your own post is mostly OT anyway
So: how hard/easy it is for you to find 27" tires/tubes? And from where? What kind of choice of models are we talking about here (are there any puncture resistant, studded, particularly large + smooth...)?
Off topic? well, maybe a bit too much background info if anything.
To keep this on topic, I'll send you a PM in a moment answering your questions.