At the last swapmeet, we picked up this interesting crankset. Not only is it unique having 6 spider arms, instead of the usual 5, but it is also stamped with Ernesto Colnago's signature. It was produced in the early 1980s and was made by the Italian company Gipiemme. Colnago used a a 6 arm crank in the mid to late 1970s made by the Italian company Ambrosio. Just a weird little piece.