• Dunno if this is much to go on, I mainly just wanna know what the screw is for but any ideas what the rest is?
    Its steel
    Sort of a nubbin, looks like a paint drip, on the back of the HT too
    Band on FD.

  • I mainly just wanna know what the screw is for...

    It secures the seatpost.

    ...but any ideas what the rest is?

    It's a bike.

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