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Could anyone (Probably Dan😉) add an alternative link...
I only have a single spare Marathon Supreme tyre left and since they have been discontinued at some point I’ll have to change tyres which I’m a bit disappointed about because they are excellent.Schwalbe replaced the Supreme with the Efficiency, which they claim is their fastest ever touring tyre. I was sceptical, it's a lot chunkier and doesn't look like it'll be a suitable replacement, in a blind test, I doubt I could tell them apart.