I recently got hold of a GT250 frameset and was looking for more information about them. I seem to have come to the same stumbling block though as there just isn't that much about them.
So......same frame and forks as the Gran Sport and this had some Carlton connection as well?
Also, the tubes are listed as Raleigh High Tensile steel, but what does that actually mean, metallugically speaking? Cromoly or basically gaspipe?
The frame is actually not too bad weight-wise and Sheldon Brown reckoned the GranSport rides nicely.
What were the gears on the GT though? Still Campag?
I'll get some photos of mine up soon, It'd be nice to get this as a comprehensive thread perhaps.