I have listed for a freind on San Francisco Craigslist A New RICHARD SACHS Frame for sale. 52cm. This great frame is from early 1980's. Never built up. Dimensions I get are 1. Seat tube center bottom bracket to top of top tube at seat ube is 51.75 cm 2. Top tube center to center 52.75 3. Rear width at dropouts is 130mm. The tubing is COLUMBUS Tubi Reinforzatti Grantiti Special. Includes Campagnolo Record Italy Brev New Headset and Campagnolo Record Downtube shifters. A few small paint chips from being in storage over 25 years. Head tube decal is coming loose. I have a new replacement. If you know the name Richard Sachs you know the quality of this frame!!! Need to see in person. Reasonable offers always replied too. Ask for additional photos and data. Charles Nighbor Architect Walnut Creek, CA USA