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Van den Ham got a flat and had to plug it with a Dynaplug and Orange Seal sealant. Michael van den Ham's 2018 DK200 Lauf True Grit. © Z. Schuster / Cyclocross Magazine

Van den Ham got a flat and had to plug it with a Dynaplug and Orange Seal sealant. Michael van den Ham’s 2018 DK200 Lauf True Grit. © Z. Schuster / Cyclocross Magazine