ROSSIN 58 cm

Columbus frame has Campagnolo droupouts :  58 cm ST (center-center) and 57 cm TT(center-center)

Components: 

Handdlebar  3TTT

Handlebar stem 3TTT

Saddle: San Marco Rolls 

Seatpost : Campagnolo Aero 27.2
Brakes Calipers: Modolo Speedy

Brakes Levers : Shimano 105

Front derailleur: Shimano 105 

Rear derailleur: Suntour Cyclone 7000

Cranks: Suntour Cyclone 7000
Shifters Suntour 

Headset: Suntour 
Pedals: Shimano with Lapize Straps
Mavic GP4 tubular rims to Suntour Cyclone 7000 hubs