Originally Posted by
nfmisso
And I have the opposite experience. Had Kenda K193 Kwest 35-622 on our tandem, replaced with Marathon Supreme 35-622 - what a heavy slow feeling tire!! Going back to the Kenda's which felt lighter, faster and had a smoother ride.
I can't believe that you found a Schwalbe Marathon Supreme "heavy." Did you have air in it?