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Nishiki Medalist

Old 08-13-17, 08:00 PM
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Cayman025
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Nishiki Medalist

I bought this frame for $20 but not sure what size seatpost to buy.
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Old 08-13-17, 08:36 PM
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cb400bill
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Get some calipers and measure it.
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Old 08-14-17, 02:36 AM
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Get some calipers and measure it.
This is a caliper for measuring diameters, inside and out. The set pictured is fancier than you need and lesser versions can be had and they are not that expensive. If you prefer to not buy a set, take the frame to a local bike shop and ask them to measure the internal diameter for you....

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Old 08-14-17, 10:43 AM
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Cayman025
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My coworker will let me borrow his caliper.. Thank you
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Old 09-28-17, 02:53 PM
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Cayman025
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Thank you

I finally finished putting my Medalist together
and very happy with the bike. Took it for a ride and it's a keeper

I want to share pics but won't allow me as it ask for URL...

Last edited by Cayman025; 09-28-17 at 04:07 PM. Reason: add pic
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Old 12-17-17, 06:36 PM
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rowdygains
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Hey Cayman, what size seatpost did you end up going with? I am in the same boat with a 83 Medalist frame, and my calipers are reading 26.6mm on one diameter, and as narrow as 26.0mm on another.
I was thinking of going with a 26.6 based off of other data, but I'd like to have some sort of warm and fuzzy before ordering..
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Old 12-17-17, 07:55 PM
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Rowdygains, welcome to the forums. The 1983 Nishiki Medalist was with a Tange #1 tubeset and the top of the seat tube had a nominal inside diameter of 26.8mm. Typically, manufacturers allow 0.2mm of clearance between the seat tube and post, which would result in a nominal 26.6mm post. However, it was fairly common to see a post one size up or down from the nominal, depending on factors such as reaming/honing and tube distortion. It's possible that Catman025's Medalist may not use use the same size post as yours, even if they were from the same production lot.
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