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A light and beautiful italian frameset.
Columbus Genius tubeset
In 1991 Columbus introduced a new steel tubeset, the steel was called Nivacrom and the first tubing made from it was named GENIUS. GENIUS also used Differential Butted Shape butts (DBS) a new features in tubesets in which the shape of the butt actually follows the area of the tube where most of the stress is. It comes in a different shape on different places on the tubes. Columbus made butted ends on GENIUS shorter, so the whole set was the first one strictly designed for TiG welding. A wide selection of tube thicknesses and diameters allowed GENIUS tubing to be used in many different types of frame types.