I have now been through Austria and Hungary with short stops in each, and am currently on an afternoon train heading towards Slovakia.
The Brompton has continued to be a great bonus on this trip as it has allowed me to not only get around towns, but get out of town too. I haven't done many rides over 30km, but a combination of bike and train (which of course is free for me with interrail) has got me out of Innsbruck, with a great descent back to the town, and yesterday I rode a good way along Lake Balaton before catching a ferry across it and more trains back. I am getting very adept at carrying the Brompton with two bags on my shoulders, and making quick decisions about when to fold and when not.
I've had only one awkward bike moment when an Italian guesthouse owner saw the bike and shouted 'no!'. I shouted 'si!' and some arm-waving and irate Italian ensued until suddenly it was all resolved, he found a place in the cellar lock-up for the bike, and we were all mates again. I felt quite pleased with my Italian that night!
Near Imst, up the Inn valley from Innsbruck
Fulpmes above Innsbruck. Got up here by tram and rode 400m down
On the Lake Balaton circuit cycle route
Note Brompton at the foot of the stairs - crossing Lake Balaton