Joined: Sep 2005
Posts: 3,003
Likes: 303
From: Hervey Bay, Qld, Australia.
Bikes: Colnago (82, 85, 89, 90, 91, 96, 03), 85 Cinelli, 90 Rossin, 83 Alan, 82 Bianchi, 78 Fountain, 2 x Pinarello, Malvern Star (37), Hillman (70's), 80's Beretto Lo-Pro Track, 80's Kenevans Lo-Pro, Columbus Max (95), DeGrandi (80's) Track.
This may be a bit 'out there' but I was considering why the rear exit hole for the brake cable was located on the RHS of the top tube. My answer is that it was placed there to line-up with the rear brake calliper cable housing, adjuster and clamp. Finding a rear brake calliper with the cable entering on the right hand side is quite unusual. Most component makers have the cable entering on the left hand side of the calliper.
The only top end brake sets I could find from the early 1980's era were the Shimano 105 Golden Arrow calliper, Weinmann 500 Gold or 730 Delux, GB Coureur Plus or Dia-Comp callipers like their Aero Gran Comp or N-Brakes. Perhaps there are others but this was the only one I could find.
My conclusion: If your frame build date was circa 1893/4, it is my guess that your frame was made to accommodate a Shimano group set - probably Shimano 105 Golden Arrow.
Suntour - LHS
Universal - LHS
Mavic - LHS
Camagnolo - LHS
Gipiemme - LHS
Dia-Comp - LHS or RHS
Shimano - LHS, Centre or RHS (Shimano were making great advances in Professional circles)
Galli - LHS
GB Coureur Plus - RHS
Zeus - LHS
Weinmann 500 / 730 - RHS
Modolo - LHS
Last edited by Gary Fountain; 01-27-15 at 04:44 AM.