Civia Hyland 58cm aluminum frame. Sliding Dropouts. Rohloff Speedhub capable or single speed capable dropouts. Stainless steel hardware included for dropouts. Eyelets on frame for fender mounts, rack mounts, 2 waterbotle cages, Stainless Steel clips included for cable routing on downtube of frame. For 700c wheels, clearance for I would say 32mm plus tires. Powder coated red, no scratches, used for a season and a half of commuting. Protected against cable rub. headset 1 1/8" threadless, 68mm bottom bracket, standard threads, 27.2 mm seat post