Technical & Reference Section > Tech and Restoration

82/82 GT Mini/Midi Frame Sets...............

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Bananaman:
Right gents, moved this from chat as I thinks its best off in here.......

who has one of the titled GT's that we can do a measurement comparison on...............and compare frame serial numbers......

I have a small frame with a Pro denoted stamp with a thin down tube, straight cut top tube.....so it aint an expert and am doubting its a Pro Mini cause it has a US BB

Does anyone know if GT made a Mini Pro with a US BB??

They did make a Standard frame but would like someone else to measure up their's to see how it stacks up please and compare the serial.....

Cheers

Lee

Del:
I have a small GT frame but I think mine is stamped as a JR (cant remember its in the garage somewhere), its not a US BB though.

fouronethreeoh!:
I have an expert, original 82 nora cup stickers
2 stamp on dropout
six digit serial no. starting 383xxx
march 83, or 83 august, frame 3xxx
hand stamped factory serial, i.e. not in a straght line

17 inch top tube, measured centre-centre along tube
10.5 inch seat tube, from top of bb shell to top of seat tube.

Bananaman:
Thanks 4130oooooh.........

Mine has the same hand stamped serial with a 4 denoting it a pro but has a shorter TT and seat tube, smaller diameter down tube and US BB :-\

Nosnod:
From an advert in BMX Plus Oct 1981 it says that 5 models of GT frames are now available:

Junior Mini
Standard Length with US BB
Standard Length with Euro BB
Long Frame with US BB
Long Frame with Euro BB

and 2 forks to choose from: The Junior or Pro Model

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