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Old 12-02-2014, 10:31 PM
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bluegoatwoods bluegoatwoods is offline
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Join Date: Jul 2012
Location: Central Illinois
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Default Re: I think I'm gonna build a new bike.......

I don't know off-hand. But remembering the approx diameter of that drum, I'll guess 70 mm.

I'll make it a point to have a close look.
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