P.G. Seat Tube ?
07-12-11, 03:32 PM
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Correct, it is unbutted CrMo, probably constant 0.9mm thickness for the seat tube. Seems a bit odd that the sticker specifies that it is only the seat tube, sort of leaves me thinking rest of the bike is likely gaspipe hi-tensile steel and that the splurged on the "nice" seattube just so they could add a CrMo sticker somewhere on the frame.
Specs for tange tubing are at;
https://steelrenaissance.blogspot.com...ing-specs.html
Specs for tange tubing are at;
https://steelrenaissance.blogspot.com...ing-specs.html
07-12-11, 04:25 PM
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incazzare.
On architectural drawings, we use P.G. to mean "Paint Grade" for woodwork, but I'm sure that's not what it means here. Just some enrichment info. 
07-12-11, 05:31 PM
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"Plain Gauge is correct:
07-12-11, 05:55 PM
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Thanks, all. That was what I suspected. From other reading I was already pretty sure that the bike wasn't all Tange. Also, it's no lightweight.
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