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  1. #1
    Senior Member w98seeng's Avatar
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    What do these #'s mean?

    I have a Stronglight (I think) BB and I want to know what the #'s on the axle mean.

    The 18 I believe means that it is 118mm, but what does the 7 mean?

    On the other side there is a stylized "S" and a "C". Does the "S" stand for Stronglight? What does the "C" mean?


    Thanks for the info

    Ian

  2. #2
    Elitist Troglodyte DMF's Avatar
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    Most manufacturers mark the date of manufacture and source (e.g. foundry). A few publish the codes.

    Do you want to know something about the part, or are you just curious?
    Stupidity got us into this mess - why can't it get us out?

    - Will Rogers

  3. #3
    Senior Member w98seeng's Avatar
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    Quote Originally Posted by DMF View Post
    Do you want to know something about the part, or are you just curious?
    I ordered a new Campy BB (And Campy Crank) and would like to sell this one when the new one arrives. I want to know the model, if possible, so I can post it with the right information.

  4. #4
    Elitist Troglodyte DMF's Avatar
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    Quote D, B, and A and C if they're different (asymmetrical). Quote the taper if you know it. http://sheldonbrown.com/bbsize.html
    Stupidity got us into this mess - why can't it get us out?

    - Will Rogers

  5. #5
    Senior Member w98seeng's Avatar
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    Thanks DMF

  6. #6
    slow as I ever was Ex Pres's Avatar
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    Sheldon also says

    "7" series spindles fit "oversized" 73 mm ISO/British bottom brackets,
    72 special CNC ___________ 72 Frejus (ala Legnano) __73 Holdsworth Record
    78 Raleigh Professional_____ 80 Ranson_____________ 80 unknown French (SS)
    82 Peugeot PXN10_________83 Trek 600____________ 85 Gianni Motta
    85 Trek 560______________88 Guerciotti GLX
    90 Miele Gara_____________02 Casati Dardo (g/b\k)___02 Casati Dardo (y/blk)
    03 Casati Dardo___________08 BF IRO (fixed)________10 Vassago Fisticuff (IGH)

  7. #7
    Insane Bicycle Mechanic Jeff Wills's Avatar
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    Quote Originally Posted by Bob Barker View Post
    Sheldon also says
    That only applies to SR/Sugino BB spindles. The OP has a Stronglight.

    I agree with DMF: if you're selling it, list all the dimensions. Parts from that era were not particularly standardized- you're better off describing it.
    Jeff Wills

    All my bikes.

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