April 22, 2016April 26, 2016Cyclocross / Gravel Bike Photography by Walter Lai SPECIFICATIONS: Frame: Columbus OS with Lugs Fork: Ritchey WCS Carbon Canti Cross Rear Derailleur: Shimano Dura-Ace RD-9000 Front Derailleur: Shimano Dura-Ace 9000 Crankset: Shimano Dura-Ace FC-9000,… 000