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Old 06-06-08, 11:35 AM   #1
w98seeng
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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
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Old 06-06-08, 12:08 PM   #2
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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?
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Old 06-06-08, 01:01 PM   #3
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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.
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Old 06-07-08, 03:20 PM   #4
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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
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Old 06-08-08, 08:24 AM   #5
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Thanks DMF
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Old 06-08-08, 06:54 PM   #6
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Sheldon also says

Quote:
"7" series spindles fit "oversized" 73 mm ISO/British bottom brackets,
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Old 06-08-08, 09:59 PM   #7
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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.
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