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Old 08-11-19, 01:43 PM
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WildRalph
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Join Date: Jul 2017
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Bikes: '85 Le tour Luxe, Puch Mixtie, Raleigh Gran Sport, Mystery Machine

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Figured out you can calculate circumference, adjust dia. for half a ball bearing width x2, and cumpute the # of ball bearings. Minus one, suggests 31 outer, 39 inner.
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