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  • It’s the screw from the preload collar on a sram bb30 chain set.

    I can buy a kit that has the screw and collar but I don’t see any in stock in the UK.
    So I’m hoping I can source just the screw since that’s all I need.

    I think it’s an M2 size and the thread pitch is 1mm.
    Am I measuring the thread pitch correctly? The distance between the inner faces seems to be exactly 1mm.
    Sorry for the photo with the digital calipers not actually being lined up correctly.

    Maybe some one has one lying around? Or can you direct me to one?


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