Vintage Italian 56cm Saronni Tipo Giro D’Italia Colnago Built Columbus Steel Road Bike Frame & Fork. Vintage 56cm Italian Saronni Tipo Giro D’Italia Racing Road Bike Frame and Fork. The Giro D’Italia was the Saronni Model Commemorating Saronni’s Wins. Frame Says “Made in Italy”. I believe this frame was built by Colnago using Columbus tubing and Colnago Super Specs for…