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Bianchi Superset II seat post

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Bianchi Superset II seat post

Old 01-22-18, 10:45 AM
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icepick_trotsky 
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Bianchi Superset II seat post

I have this Bianchi (well, not this one, but the same frame):



I'm missing a seat post. I know I should have digital calipers, but I don't. Sticker says "Superset II" tubing, like so:



Any ideas on post size? 27.2 is too large, by a little. I'll likely take it to the co-op and just start trying some, but maybe the brain trust already knows.
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Old 01-22-18, 10:54 AM
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ThermionicScott 
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Both my '87 and '91 "Superset" Bianchis take 26.6mm posts, but my '88 Premio (also labelled "Superset") takes a 27.2mm. I think "Superset" was more of a concept than a fixed set of specs, so it's always good to double-check.
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Old 01-22-18, 03:08 PM
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All Bianchi frames were built with a Superset or Superset II tubesets. The down tube and chain stays were a heavier gauge tubing to improve the ride. On the Superset II frames they started using downtube that was ovalized at the B.B.

I suspect your post is 26.6 or 26.8. If someone has a 90/91 Volpe maybe they will check it for you.
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