Still searching for a nice "Sport Touring" 531 DB frame in my size. Came across this Mercier on ebay. Would anyone hazard a guess as to the tubing? The seller is not responding to my questions (a bad sign, indeed, as are the uninspiring feedback comments). From what I've read elsewhere, the chrome fork ends and dropouts indicate a higher end model. The brake cable routing on the side of the top tube is interesting. Lugs don't appear all that fancy, and the spoke protector is a bit discouraging. Oh, and the bike works great even without a front derailleur!