Thread: The case for 10mm chain pitch
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Old 03-05-10 | 10:46 AM
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Homebrew01
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From: Ffld Cnty Connecticut

Bikes: Old Steelies I made, Old Cannondales

I must be mssing something. How do you get better ratios by having a smaller diameter chainring and cog ? Ratio is driven by the # of teeth, not diameter.
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