Thread: Stronglight chainrings multiple bcd?
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Old 02-07-26 | 04:53 PM
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ShannonM
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From: Oakland, CA
Originally Posted by JohnDThompson
I just checked my chainrings. The middle set of holes does correspond with the 122mm BCD used by Stronglight 93 and 104 cranks (but you'd want to counterbore them for the chainring bolts. The outer set of holes does not correspond with either 130mm or 144mm BCDs. I do not have a 135mm BCD ring to compare. It does correspond with the Stronglight chain guard.
128, maybe?

--Shannon
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