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Old 03-25-09, 05:25 PM   #1
mynameisryan
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Cog Threading: NJS=ISO?

Just wondering, is the threading on, for example, a Dura-Ace NJS cog going to be the same as an EAI cog (which is marked ISO)? Or does NJS=JIS? What's the deal? What are these standards, how do they compare?
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Old 03-26-09, 12:11 PM   #2
bitingduck
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found this ancient thread about cog threads:
http://www.bikeforums.net/archive/in.../t-159960.html
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