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  • Is this normal for a Brompton that is ridden less than a year?

  • The new Thun Brompton BB are complete shite. Replace with a UN55 or use as a buyer excuse to fit some carbon. UN55 will last years and years. Brompton use 119 JIS IIRC.

    Parts with bearings aren’t regularly covered by warranty as it’s classed as wear and tear (I understand it’s not a satisfactory lifespan for a BB) But don’t waste your time trying to get another shit bb for free.

  • Boo! Yep the BB is fucked, going to Brompton Junction tomorrow to hopefully sort it out. Hopefully they’ll have UH55 in store to replace this BS BB. Can’t believed Brompton used this on their bike and sell it as a ‘race’ bike. What a load of tosh!

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