Bike Forums - View Single Post - C-Record Bottom Bracket Differences?

04-06-18 | 04:51 PM

#4

Old Fireleg

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Quote:

Originally Posted by JohnDThompson

"70-SP" is pre-1990 C-Record; "70-SP C" is post-1990 C-Record. Note that they use different ball sizes and are thus not interchangeable and need the proper corresponding cups.

Source: Sutherland's 6th Edition

There are some interesting data in this table.

1. Isn't 11-7/32 at SPc?
2. 109 mm axis lenght with 1 or 2 chain rings?
3. 70-SS with 109 mm and 14-3/16?
4. I've seen 68-SP without "c", this is not listed in the table

I'm not an expert, I just ask.

Last edited by Old Fireleg; 04-06-18 at 05:01 PM.

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