This is a 1981 Basso Gap. The bare frame weighs only 1735 grams, so it must be made of some special type of lighter-weight Columbus tubing. The bike has a full Super Record titanium group with Basso pantographed brake levers, black anodized Basso pantographed 3ttt stem with 3ttt bars, black anodized pantographed brake calipers, Basso pantographed Super Record seat post, Selle Italia Superleggera seat, milled crank with Basso pantographed chain ring, Basso milled and pantographed shifters, Regina hollow pin light weight chain, Everest alloy freewheel, Fiamme Ergal rims laced to 28 hole Super Record hubs, Super Record headset, Super Record titanium bottom bracket, Super Record derailleurs, and light-weight tubular tires. Total weight without pedals is 16.99 pounds.
