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Old 05-01-18, 11:58 AM
Bill Kapaun
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Join Date: Feb 2007
Location: Mid Willamette Valley, Orygun
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Bikes: 86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.

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Originally Posted by 09box View Post
I did the math and came up a wrap of 37.. It seems like an 11-36 might be the limit without having to upgrade the RD..
We can't check your math because you've never stated what size rings you have.
So your rings have a 12T difference?
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