• I guess you are right about the forks.
    The lugs look like prugnat 62s.

    They start using them in the 70's I read, but the brazed on derailleur clamp indicates its from the 80's no?

  • It's nice enough to be a late 70s Holdsworth too, as they used the Prugnat lugset. Are there any long serials or just the 188 under the bb shell?

  • one of my holdsworths has a 5 digit number, the other 6 digits but that began with a zero. if it's got a transfer badge on the headtube then i think these appeared from the 80's onwards.
    incidentally i didn;t know that norman kilgariff who gathered loads of info on grubb and holdsworths passed away last year. thats a loss to the cycling world.
    i would prob say that earlier holdsworths would have 4 digit number and i believe that it was always stamped on the fork steerer too.

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