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Calling all Historians
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02-19-22 | 01:43 PM
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Iride01
Facts just confuse people
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Tarmac Disc Comp Di2 - 2020
When you get to the exhibit count the teeth on the front ring and then divide that by the teeth on the back. Then you'll know the ratio.
It doesn't matter whether the pitch is 1/2", 1" or any other spacing between the links.
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cxwrench
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