I like the subject so I will add what little I can. I do not have a good opinion of Schwalbe. In 20 inch tires I had Marathons on a Raleigh Twenty. Horrible, not as bad as riding thru sand, but required more effort. On a Moulton I once owned, an APB, came to me with Marathon Racers. These were good enough that I never changed them out. On my 26" mtn bike I have had liked in this order Big Apples, Kojack, Pasela's and Compass. Each brand was a step up over the last. I give Pasela's the best buy award, but Compass is a half step nicer. I like supple. On my Brompton I swapped out the original tires, I think Brompton green or some such for Primo Comets, big improvement. I like supple, I drive on city streets and I will put up with an occasional puncture for the better performance and comfort. I plan to try Orange Seal in my tubes, but have not done so yet.