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  • Anyone any idea if Brompton dealers (in this case, their own shop) would've been using the offending BB for repairs/spares over the last few years? They don't mention this possibility (but it seems very likely) - IIRC mine was replaced when I got my hinge done..

  • Good shout.

    There is a manufacturing date on the outside edge of the bottom bracket cup ironically. My knackered one seems to be from June 2016.

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