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Old 11-26-16, 01:41 PM
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FBinNY 
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Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

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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
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