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  1. #1
    Senior Member Loose Chain's Avatar
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    Correct spindle lenght for Italian BB, compact or vintage?

    I seem to be suffering from a brain cloud so perhaps somebody can set me straight. I have an 87ish Guercitto SLX with 70mm Italian threaded BB. If I want ot use a modern Chorus crank, compact double, is the correct spindle 102mm?

    If I use an older period correct double crank, Record or whatever, even a spare Victory I have isn't the spindle length still 102mm.

    My frame spacing is actually, 130mm, rear OAL. It was not cold set, it is actually 130mm.

    Any thoughts appreciated, thanks.

  2. #2
    Senior Member gearbasher's Avatar
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    Modern spindle is 102mm. C-Record era is 111mm.
    "Trying is the first step towards failure." --- Homer Simpson

  3. #3
    Bianchi Goddess Bianchigirll's Avatar
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    the spacing of your dropouts and the width of your BB shell should have no bearing (no pun) on the lenght of you spindle. your spindle lenght, unless you are doing something weird, is determined by the type of crank you need. my '88 Chorus style cranks take a 111 spindle, that is symetrical.
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  4. #4
    Senior Member Loose Chain's Avatar
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    OK, one vote for 102 and one for 111 so which is it, lol?

    Here is why I mention the 130mm. I really wanted to set this bike up with a threaded rear hub and one of many Regina freewheel clusters I already own. I also planed to buy a good used Campy double set, 52/42, 80s vintage and be done with it. But, since there seem to be no threaded hubs of 130 mm OAL that means I cannot use my old Regina 6 speed freewheels (126mm). So, I will have to use a "cassette" type hub freewheel and God only knows how many gears, it becomes confusing, so assuming I find a 9 speed new(er) set----my question again---what spindle length would be proper for a modern compact crankset with a 8/9/10 speed rear hub?

    Thanks, sorry for the confusion, I am confused for sure.

  5. #5
    Senior Member Road Fan's Avatar
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    Quote Originally Posted by Loose Chain View Post
    OK, one vote for 102 and one for 111 so which is it, lol?

    Here is why I mention the 130mm. I really wanted to set this bike up with a threaded rear hub and one of many Regina freewheel clusters I already own. I also planed to buy a good used Campy double set, 52/42, 80s vintage and be done with it. But, since there seem to be no threaded hubs of 130 mm OAL that means I cannot use my old Regina 6 speed freewheels (126mm). So, I will have to use a "cassette" type hub freewheel and God only knows how many gears, it becomes confusing, so assuming I find a 9 speed new(er) set----my question again---what spindle length would be proper for a modern compact crankset with a 8/9/10 speed rear hub?

    Thanks, sorry for the confusion, I am confused for sure.
    It's not a poll, lol. The correct BB length for Chorus and Record double and compact cranks later than (here I'm fuzzier) 1997 or so IS 102 mm, regardless of whether you have a 126 frame, a 120 frame, or a 130 frame, and regardless of whether you have an Italian-sized BB shell or an English-sized one. For your Italian bike you need an Italian BB of length 102 mm, Campagnolo or Campy compatible. This will be true for 8 speed, 9 speed, and 10 speed of the proper vintage. It's different for the modern Centaur and Veloce, and for older stuff like the C-record.

    You can convert a 126 hub to 130 by buying an axle with length around 142 mm, transferring all the parts over and adding spacers. You'll want to get the centerline of the 6-speed cassette in line with the line between the front chainwheels, for proper chainline. This may involve some non-standard hub spacing using the new axle.

    If you decide instead on a Campy cassette hub, you should not need any special re-spacing. Campy has already accounted for the different rear sprocket counts with the spacers and cassette design. 8, 9, and 10 systems were designed for 130 mm hubs. If you weren't planning on using a vintage crank, such as a Nuovo Record or Super Record, there's no need to get one and deal with a new set of BB issues.

  6. #6
    biked well well biked's Avatar
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    102mm spindle length, Campagnolo part # BB99-CH02IT

    Btw, the word "modern" in this case is a little dated, of course. Current Campy is Ultra-Torque outboard bearing.

  7. #7
    Senior Member Road Fan's Avatar
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    Quote Originally Posted by well biked View Post
    102mm spindle length, Campagnolo part # BB99-CH02IT

    Btw, the word "modern" in this case is a little dated, of course. Current Campy is Ultra-Torque outboard bearing.
    I'm a C&V guy. For us Nuovo Record is modern. We are farsighted when looking in the past. UT is just a blur in my trifocals.

    Look out, Shimano is coming!
    Last edited by Road Fan; 10-18-09 at 11:43 AM.

  8. #8
    Quirky Grifter LesterOfPuppets's Avatar
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    Last edited by LesterOfPuppets; 10-18-09 at 12:05 PM.
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  9. #9
    Senior Member Loose Chain's Avatar
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    Thank you all very much, 102 it shall be (I think).

  10. #10
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    There is no reason you can't adapt a 126 mm freewheel threaded hub to 130 mm dropouts and you don't even need a new axle.

    Add 4 mm of spacers on the non-drive side and recenter the axle so the protrusion is even at both locknuts. You will have 3.5 mm of axle sticking out both sides instead of the standard 5.5 mm but that's plenty.

    You wiill be have to redish (undish?) the wheel which will result in less dish and, theoretically, a stronger wheel.

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