Originally Posted by
Retro Grouch
I like Schwalbe tubes. I THINK that they lose a little less air between rides. I've never taken the effort to do any kind of a controlled test, however.
Schwalbe and Michlin both do their own in-house R&D and testing. Some of the specifics can be found on their websites. Some German companies are pretty much industry icons - Zeiss, Porshe, Henckels.....but I can't remember the last time I saw an advertisement outside a trade magazine.