(m3 I think, same as in most electrical fittings, nick one out of the cover of a 3 pin wall socket!)
I think you'll find they are M3.5, so* they won't fit a dérailleur
*so meaning "such that", rather than "in order that"; MK didn't choose their screw size specifically to discourage theft by cyclists.
@gbj_tester started
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I think you'll find they are M3.5, so* they won't fit a dérailleur
*so meaning "such that", rather than "in order that"; MK didn't choose their screw size specifically to discourage theft by cyclists.