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  1. #1
    mtbr member
    Reputation: Loose's Avatar
    Join Date
    Jan 2015

    Need Technical Drawings for "Standards."

    Hi all,

    I am working on designing some forks. I need some help finding technical drawings for some Standards. I've been doing a lot searching and have a hard time finding this information. Starting to wonder if these things exist, considering they are supposed "open standards." Does everybody just reverse engineer everything?

    There are five Standards I would like to have drawings for:
    - 74mm Front Post Mount (Found this one)
    - Shimano Front Flat Mount
    - 9x100mm QR
    - 12x100mm Thru-Axle
    - 15x100mm Thru-Axle

    I know that two of those are more road oriented. The design I am working on is for a Gravel/Adventure oriented bike, so they would be applicable.

    Just keep bringing out new standards! I don't care! It gives me an excuse to buy more bikes!...Wait, that's what they want...

  2. #2
    Join Date
    Sep 2008
    flat mount spec is out there, Shimano published it. I dunno about the TA specs

  3. #3
    mtbr member
    Join Date
    Jan 2016
    You may find most of what you need here:

    Shimano Framebuilder Info - Pvdwiki

    EDIT: Actually now that I read through the document, there are only a couple of your items documented. It's a start.
    Last edited by duandr; 12-09-2016 at 02:32 PM. Reason: add info:

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