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Can anyone ID this stem?

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Old 12-23-20 | 01:18 PM
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Can anyone ID this stem?

As I'm pretty much a noob to vintage parts, I do not recognize the logo on this stem. Can anyone identify it? It's made in Japan.


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Old 12-23-20 | 01:32 PM
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Old 12-23-20 | 10:14 PM
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I'd bet it's not really vintage. That logo came along in the mid- '90's IIRC, when Taiwanese parts started hitting their stride. Why do you think it's Japanese?
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Old 12-23-20 | 10:31 PM
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I do see JAPAN stamped on it!

I seem to recall this brand first appearing on lower-end Japanese bikes from perhaps mid-1970's, but this one does look a decade newer in style.
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Old 12-23-20 | 10:31 PM
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"Win" or "WinPista" was a brand of the Japanese company Kusuki, that made stems and bars. A lot of these were spec'd OEM on Nishiki bikes in the '80s, but I know that Kusuki also made steel BMX bars for Redline.
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Old 12-23-20 | 10:32 PM
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I think I've see Win parts on ~1980 or even late 70's models?
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Old 12-23-20 | 11:15 PM
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It's the Japanese stem equivalent of a 15mm craftsman wrench. That's a compliment.
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Old 12-24-20 | 02:49 PM
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The Win brand dates back to at least 1977, when their stems were being spec'd on lower end Nishiki models.
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Old 12-24-20 | 02:58 PM
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Originally Posted by Jeff Wills
I'd bet it's not really vintage. That logo came along in the mid- '90's IIRC, when Taiwanese parts started hitting their stride. Why do you think it's Japanese?
The word "JAPAN" stamped on it is a pretty good clew.
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Old 12-24-20 | 11:01 PM
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Originally Posted by oneclick
The word "JAPAN" stamped on it is a pretty good clew.
Oh. Go figure.
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