Campagnolo bottom bracket

Discussion in 'Bicycle Mechanics and Repairs' started by woodbutcher, 24 Jan 2018.

  1. woodbutcher

    woodbutcher Über Member

    Location:
    S W France
    What am l doing wrong...l bought a Campagnolo bottom bracket as per the photo Italian thread 115mm spindle, for my Centaur triple crank.
    To fit my Italian Veneto frame, except that it doesn't ! I can't get it to even begin to screw in. Is it possible that the frame thread is English and should that make a difference anyway ?
    I don't mind hanging onto the campag. bb, it may have a future use but what should l do about finding the correct one for the frame.
     

    Attached Files:

  2. chriscross1966

    chriscross1966 Senior Member

    Location:
    Swindon
    From memory, whilst the thread sizes and pitches are pretty similar, on an English BB one of the cups is wrong-handed thread, on an Italian they're both the same...
     
    raleighnut, biggs682 and woodbutcher like this.
  3. biggs682

    biggs682 Smile a mile bike provider Photo Winner

    Location:
    Northamptonshire
    correct Italian threaded both screw the same way , is there a thread type on the box ?
     
  4. OP
    OP
    woodbutcher

    woodbutcher Über Member

    Location:
    S W France
    will go and have a look...its on my workbench in disgrace !
     
    biggs682 likes this.
  5. Cycleops

    Cycleops Guru

    Location:
    Accra, Ghana
    Don’t they go in backwards like their tanks did in the desert? I’ll get my coat.
     
    woodbutcher likes this.
  6. OP
    OP
    woodbutcher

    woodbutcher Über Member

    Location:
    S W France
    Been and had another look...l assume that centaur B. Bracket 115.5mm -ITA is the thread type. and sure enough they both go the same way .
    So l thought why not check the obvious...measured inside of bb shell 34mm, measured outside of bracket thread 35.5mm . Q.E.D up the creek without a paddle.
     
  7. OP
    OP
    woodbutcher

    woodbutcher Über Member

    Location:
    S W France
    Yeah but very stylishly :whistle:
     
    Cycleops likes this.
  8. raleighnut

    raleighnut Guru

    Location:
    On 3 Wheels
    Is it a French BB size. (seeing as how you're in France.) :becool:
     
  9. OP
    OP
    woodbutcher

    woodbutcher Über Member

    Location:
    S W France
    I really hope not since it is an Italian made frame which l bought from Hungary and paid for in pounds....this EU thing will never catch on you know^_^
     
    raleighnut likes this.
  10. themosquitoking

    themosquitoking Veteran

    Location:
    Spain
    And making a horrendous noise.
     
  11. midlife

    midlife Veteran

  12. ColinJ

    ColinJ It's a puzzle ...

    I have owned 2 Italian bikes. My Bianchi had English BB threads; my Basso has Italian BB threads.
     
    woodbutcher likes this.
  13. OP
    OP
    woodbutcher

    woodbutcher Über Member

    Location:
    S W France
    Thanks for that, good to see a simple explanation with sizes. I hope lve done the right thing now and ordered an English thread bb , at least the odds look favourable. If this is wrong as well l may end up with an impressive collection of bb's to look at 1
     
  14. OP
    OP
    woodbutcher

    woodbutcher Über Member

    Location:
    S W France
    That was the sound of Tosca and Aida practicing for The marriage of Figaro
     
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