This is a vintage Gipiemme Special crankset. The arms are 170mm long, the BCD is 144, the pedal threading is 9/16" x 20 (English). These flutes have been painted with an Italian theme. Please look closely at the photos, and if you need more detail, please send us a message. If you're in, around, or coming to Eugene, OR, make an appointment with us at 360 Cycles and take this masterpiece for a test ride or make it yours today. Stay tuned for more fantastic cycling finds in our upcoming listings!