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Old 05-05-12, 10:01 AM
Join Date: Mar 2012
Location: Tucson, Arizona USA
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Could be Swiss threaded, mine is not. Most of the top of the line Motobecanes used French threading - the Grand designation on the model were the topline ones. French threading is right handed (normal) on both sides, the Swiss is left handed on one side. The Swiss BB was a tough one anyway, not always necessary to replace it if it has been properly maintained over the years. If it moves smoothly and easily without clicks or wobbles - just clean it up and use the BB it came with.
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