Schwalbe marathon supreme microskin road tyrethe supreme was the first evolution line marathon and now it is in its second generation the new onestar compound makes it even faster with the new profile it not only looks good but also rolls more nimbly than ever before maximum comfort and speed are achieved in its tubeless easy version unbeatable at the very fastest features size35c etrto 37 622 28 x 140 inch 40c etrto 42 622 28 x 160 inch typefolding compoundonestar execut