• Stronglight BB extractor tool = 23.35mm diametre thread
    TA BB extractor tool = 23mm diametre thread
    Standard BB = 22mm extractor threads

    None of the above are inter-compatible, ie do not use a TA extractor on Stronglight thread as it will damage them.

    I hope this helps - I believe @Zebra_Cyclist has a plethora of French tools so ask him nicely!

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