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  • Had a call with TBA yesterday to discuss my course which was generally positive, as in they're willing to help with my ideas but not take responsibility if they don't work (fair enough).
    I might abandon the wishbone in favour of concentrating on the headtube as the key feature and not messing that up.
    As a backup headtube option, I was looking for just some plain gauge tubing that might come in a suitable diameter and wall thickness, i.e. 58mmOD, 2mm wall. Anyone know of a good source?

  • What's your vital dimension?

    LASAero don't do 4130 that large, Aircraft Spruce do 2 1/4" or 2 1/2" but choice of wall thickness is pretty limited at that diameter.

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