Custom Dave Porter (Albuquerque, NM) track pursuit frame. Dura Ace track components.Aerosport kevlar wheels. Redesigned BonneLennon aerobars.This bike was ridden by National record setters John Frey and Kent Bostick. Bostick's 1991 100K record bested the previous record (Ritter) by 22 minutes. Frame is Columbus Nivachrome multishaped tubes, silver brazed w/ internal fillets.Bike is fully functional and an outstanding cycling collectible.