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  1. #1
    RoadBikeReview Member
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    Spoke tension meter calibration tool by Blackcat wheels

    As mentioned earlier I've been working on the tool which would allow to check the "real" tension of the spokes. Such tool is usually called "Tension meter calibration device" but in my opinion it's not just to calibrate the tension meters but to measure the real spoke tension before the wheel build.

    The whole story and few videos showing the tool usage can be found on my latest blog entry.

    I highly recommend to watch the video #3 where I'm showing the differences in readings between the same type of spokes but different manufacturers (ex. Sapim vs CN) or same type and manufacturer but colored vs standard. Such attributes are never included in the generic charts provided together with spoke tension meters and if that's not taken into account the spokes tension might be different than the wheel-builder thinks/wants.

    Hope you'll find that interesting. Any feedback or comment will be much appreciated.

    Tomasz
    Custom wheels handcrafted in Switzerland
    ----------------------------------------------------
    https://blackcatwheels.ch/

  2. #2
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    A final update to this project. Tool is available commercially. Production version has some nice improvements and of course proper finish with powder black coat.

    All details, description and pricing here:
    https://www.blackcatwheels.ch/2019/0...ation-jig.html

    Spoke tension meter calibration tool by Blackcat wheels-v1_1.jpg

    Spoke tension meter calibration tool by Blackcat wheels-v1_9.jpg

    Spoke tension meter calibration tool by Blackcat wheels-v1_11.jpg

    Spoke tension meter calibration tool by Blackcat wheels-v1_12.jpg

    Drop me a note if you have any questions!
    Last edited by blackcat_wheels; 1 Week Ago at 07:49 AM.
    Custom wheels handcrafted in Switzerland
    ----------------------------------------------------
    https://blackcatwheels.ch/

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