50CC Seat tube, 54CC Top tube. wheel, Tiagra 9 Speed Shifters. Choice of Shimano SL Pedals OR SpeedPlay pedals. King Head set, Shimano Dura Ace Front derailer, Ultegra Rear derailer, Ultegra 9 Speed Calipers, Ultegra 9 Speed 11-28 Cassette, Roval rear wheel, Bontrager Race.
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