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  1. LuciferSamS1amCat on

    A specific bolt, but from my experience a brake rotor bolt fits in there really nicely.

  2. I just lost one myself. The correct size for my shimano shifter was m5-10mm, although I could have potentially used an 8mm instead.

    If you look up the parts diagram to your shifter, it should tell you for sure.

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