Bought this 12spd on Craigslist and have reused most everything. Only new items were the wheelset, cog, BB and chain. This is my 3rd FG build but the first in almost 6 years. Final weight about 18lb

Aluminum Cannondale SR frame, vertical dropouts Shimano 600 crankset and headset Cinelli stem and cut/flip bullhorns 45t shimano 600 ring x shimano dura-ace 13t cog Tange 103mm BB Vetta saddle, Sugino fluted seatpost Mavic Open Pro 32 laced to Formula flip/flop Vittoria Zaffiro 23c Velox tap and bar ends Crank Brothers Candy C clipless