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Nys ran Dura-Ace hydraulic calipers with IceTech Freeza 140mm rotors. Sven Nys' 2018 Dirty Kanza 200 Trek Checkpoint. © Z. Schuster / Cyclocross Magazine

Nys ran Dura-Ace hydraulic calipers with IceTech Freeza 140mm rotors. Sven Nys’ 2018 Dirty Kanza 200 Trek Checkpoint. © Z. Schuster / Cyclocross Magazine