Hi-Ten Nishiki International Seatpost question, optimistically asked
05-08-14, 03:16 PM
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Hi-Ten Nishiki International Seatpost question, optimistically asked
The chances of finding a definitive answer to this without a seatpost gauge, I realize, are not good. I should just buy one. But here it is: I have a Nishiki International dating from 1977, if the derailleur date code is to be believed. A a green decal on the down tube identifies the tubing as "high tensile steel." A 25.4 post is substantially too small, and a 26.7 (really) is substantially too big. I'm guessing 26.0 or maybe 26.2. Anybody?
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05-08-14, 03:25 PM
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give me a few minutes to dig around
05-08-14, 04:36 PM
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In 1981 it was 26.6, but yours must be smaller. I would try to measure the seat tube below the clamp area if possible - and does it look like the clamping area has been over tightened?
05-08-14, 05:27 PM
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It doesn't seem to have been overtightened (although some knucklehead did reef on the wrong half of half of the clamp bolt and wreck the keyway in the frame--going to need a washer to prevent further damage). But the opening is far from round. Measuring down inside the seat tube would be a good idea if I had a way to do that.
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05-08-14, 07:15 PM
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International was not high ten steel in 1977, at least the ones I have had.
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Last edited by wrk101; 05-08-14 at 08:54 PM.
05-08-14, 07:47 PM
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It doesn't seem to have been overtightened (although some knucklehead did reef on the wrong half of half of the clamp bolt and wreck the keyway in the frame--going to need a washer to prevent further damage). But the opening is far from round. Measuring down inside the seat tube would be a good idea if I had a way to do that.
For measuring the ST ID down deep, buy or borrow internal snap gauges. Machinists have them for just this reason. Maybe a local hot rod guy would measure it for you. They come in various ranges. Something like 3/4 to 1 1/2 would do nicely. You then measure what you have with your metric vernier calper.
05-08-14, 08:51 PM
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I have had several Nishki's from this era they typicaly take a 26.0 seatpost if that helps. Also on the mid level models chances are the original nice SR Seatpost and saddle long gone.
Last edited by zukahn1; 05-08-14 at 08:58 PM.
05-09-14, 04:29 AM
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I just checked my 1980 Nishiki International. Sugino fluted seat post is 26.6mm. Mine has a sticker that claims double butted cro moly and rumors are that these were Tange 2. No Tange decals on mine though. Light frame. I had it all the way down with the just the headset cups and right BB cup. Light as a 531 frame and rang like a bell when you thunked it.
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