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The frame is aluminum and looks bulky but only weights 1/2 a pound there are no stamps no stickers and no numbers anywhere on frame I was told it could be a prototype

frame

  • It's an unfinished BMX (most likely) frame. It is impossible to identify a thing that has no identification associated. Meaning, if it is a prototype, it is not a named product. It is like a newborn child, just been born but not named - it does not make sense to ask what name it has - nobody has bothered yet to name it. – Grigory Rechistov Jul 8 '18 at 9:29
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    The castings (or perhaps millings?) of the rear triangle may be distinctive to an expert. Beyond that there's nothing to tell the difference between this bike and another of the same class. – Daniel R Hicks Jul 8 '18 at 12:00
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    @GrigoryRechistov I disagree. If I showed you a Coca-Cola bottle with the label removed, you could still identify it from its shape, for example. Unlike most of the "Please identify my BMX" questions we get here, this one does at least look somewhat distinctive. Probably nobody will know the answer but it's a reasonable question. – David Richerby Jul 8 '18 at 12:36
  • @DavidRicherby valid point about identifying by an expert. However, my point is more about that a name is not an inherent property of an object. Basically, a label is a name. The label can be stripped, yes, but if there were no label in the first place, there was no name to talk about. P.S. I wouldn't be able to identify all Coca Cola bottles, at least the three in the left part of the picture: bottles – Grigory Rechistov Jul 8 '18 at 17:12
  • Are you sure its aluminium? There were bikes in the late 80's with similar box section, but were made of Magnesium. – Criggie Jul 8 '18 at 19:50

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