My brother gave me a Diamondback for my son, I'm guessing it's an 85' but not sure. S# is F5C94618 (the C is backwards). Thanks for the help.

  • 6
    What question are you trying to answer, or what info are you looking for? The serial number is pretty useless sorry, bicycles.stackexchange.com/questions/32872 If you can use edit to add a clear and well-lit photo from the right-hand side of the bike, then we can help more.
    – Criggie
    Aug 25 at 6:19
  • 4
    Why don't you just ask your brother?
    – Carel
    Aug 25 at 8:48

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