Thread: Motobecane bottom bracket confusion...
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Old 09-02-20 | 06:03 PM
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juvela
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From: Alta California
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if you are confident of the date then it could not be BSC unless someone has altered it

people at bike shop sound uninformed

BSC cups will start to go in to a CH shell because their pitch diameter is 34.85 and metric/CH thread is 35.0mm pitch diameter

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