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I would like to mount the end bar shifters on a butterfly handlebar on my touring bike, the problem is that I can't find a butterfly handlebar with 23.8mm grip diameter, which is needed to install the shifter bar end, usually drop bars have that diameter, does anyone know where to find what I need, thanks!

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  • Bar end shifters go inside the bars - so the internal diameter is what matters here. Or do your shifters clamp over the outside of the bars ?
    – Criggie
    Commented Sep 3, 2023 at 10:46
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    Yes i mean internal diameter sorry Commented Sep 4, 2023 at 11:08
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    @Criggie Internal diameter is what's in question ultimately, but bar end shifters need the kind of ID number offered by road bars with 23.8 OD. Commented Sep 4, 2023 at 15:28

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