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Do these bottom bracket cups make any problem?

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Do these bottom bracket cups make any problem?

Old 07-11-18, 11:45 AM
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Do these bottom bracket cups make any problem?

I just received these new old stock bottom bracket cups. But there's rust on their race as you can see the picture.
Should I keep them or it can make a problem?
P.S. I paid a lot premium for NOS condition.
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Old 07-11-18, 12:19 PM
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They should be fine. The balls will polish out any imperfections in the bearing track soon enough.
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