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1974 Fuji Finest Tubing? Double butted or plain gauge seat tube?

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1974 Fuji Finest Tubing? Double butted or plain gauge seat tube?

Old 03-18-15, 06:13 AM
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MnHPVA Guy
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1974 Fuji Finest Tubing? Double butted or plain gauge seat tube?

I recently acquired a 1974 Fuji Finest. I think this was supposed to be a pretty high end bike. But the seatpost is only 26.6mm instead of the 27.2mm or so you see with single butted seat tubes.

I figure this frame either has a double butted or plain gauge seat tube. Anyone know which?
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Old 03-18-15, 06:37 AM
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catalogs for vintage fuji bikes are online: https://www.classicfuji.com/1974_04_Finest_Page.htm

This will give you all the info you want on your bike.

I really like vintage fuji bikes. You should post some pics. I had a buddy that rode a fuji finest and it was a great bike. It was 3d from the top of the line at the time.
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Old 03-18-15, 07:36 AM
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Are the decals gone? I have a '72, and am pretty sure the decal specifies butted chrome molybdenum tubing.

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Old 03-18-15, 08:02 AM
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I love my Finest .. they're a fantastic ride, especially with the original tubular rims.



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Old 03-18-15, 08:28 AM
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My 76 America is double butted with a 26.7 seat pin. Yes.
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Old 03-18-15, 08:31 AM
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It may depend on frame size. In late 1973, plagued with the dreaded oscillation problem, Kawamura switched to a straight gauge seat tube on its 25" Nishiki Competitions. The frame tubing pedigree decal on rhm's Fuji looks identical to the one Nishiki used, for Ishiwata double-butted CrMo.
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Old 03-18-15, 08:54 AM
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Typically, seat tubes on frames labeled 'double-butted' are either straight gauge or single-butted. On the single-butted seat tubes, the butted end is at the bottom bracket shell while the non-butted end is at the seat cluster. Although there are double-butted seat tubes, they aren't used very often.

This shows Columbus SL tubing. Note the seat tube has 0.9mm walls at the butted end and 0.6mm walls at the seat cluster end.

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