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  • Any idea what size bolt I need to fit a rack to a 90's claud butler mtb, it's reynolds 500. M5 slips in with ease but the m6 bolt I have won't engage the threads at all? is it a pitch thing?

    Some old fashioned size?

  • If it's old and steel I would say could well need re tapping/chasing... I had to do that with the Argos. You can get cheap tap/dye kits from some pound shops I think, had mine already though.

    Or it may be they're already stripped? In which case, retapping to m6 should do it.

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