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3D printed Chainring Spacer for BBSHD

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    3D printed Chainring Spacer for BBSHD

    Hello,

    In order to test some settings, I created a spacer on Fusion 360.
    I was only going to use it for testing but I installed it and it seems very sturdy, the dimensions fit perfectly the BBSHD ring (41mm).

    Do you think a spacer between the bbshd and the chainring would be able to endure the stress? I printed it in PLA.

    You can find my model here for those interested: https://www.thingiverse.com/thing:3204006

    Merci,

    Omelette!

    #2
    That sure is cool to 3d print it. Durability might depend how tight you have the bolts but I would guess it would at least last a season. Does PLA get brittle in wintery outdoor weather?

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      #3
      Hi paxtana!
      It seems that PLA gets soft in warm weather, so that could definitely be an issue during hot summer days if you leave the bike to bake.
      Since PLA is a biodegradeable material, it seems that outside harsh weather would make it more brittle.
      ABS would be better but I don't want to print ABS because of all those cancerous nano particules.

      Overall, PLA will loose its color but should stay together... I hope.

      I'll probably install the metal version from Luna Cycle when I receive it, it was missing in the package containing my new Eclipse :-)

      I'll test my bike with the PLA spacer and post my concerns on the forum.

      Thanks again for your input.

      Omelette

      Comment


        #4
        So I tested it on 30km uphill, fast pace, cold temperature (-1 °C) and bumpy Montreal roads.
        The printed chainring spacer seems to be OK, I used a 4.3mm version.

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