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Nys finished his race on 700c x 40mm Bontrager GR-1 Team gravel tire prototypes. Sven Nys' 2018 Dirty Kanza 200 Trek Checkpoint. © Z. Schuster / Cyclocross Magazine

Nys finished his race on 700c x 40mm Bontrager GR-1 Team gravel tire prototypes. Sven Nys’ 2018 Dirty Kanza 200 Trek Checkpoint. © Z. Schuster / Cyclocross Magazine