Custom, hand built Reynolds 835 tubing. This is a unique and very special bike. I inherited this bike from my older brother. He told me it was his favorite to ride (over a new Trek Domane 5.3 carbon fiber) because it was built so solidly and rode so smoothly and surely. I don't have any provenance on the bike, but I know he had it custom hand built by the builder who used to build Schwinn Paramounts. I know from personal experience it rides EXACTLY like a Schwinn Paramount (not my personal favorite ride). It is not a Schwinn, but I can't make this program show a custom frame. The frame size is approximately 60 mm (large). (My brother was 6' 1" tall and weighed about 220 pounds.) The paint job is not the original and has some minor scratches and flaws. The year of construction and original price are estimates.