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Old 11-26-16, 01:45 PM
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nightshade18
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Originally Posted by FBinNY View Post
Think in terms of percentage change. The percentage effect is the same front or back except in opposite directions.

So adding 2 teeth to 28 is 1/14th or roughly 7%. subtracting 2 from 36 is 1/18th or a roughly 5.5%%. So the effect of changing the ring is slightly less than what you got changing the cassette
Thanks - that was the kind of thing I was looking for
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