Bike Forums - New BB - grey gritty gunk on left threads

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- - New BB - grey gritty gunk on left threads - normal? (https://www.bikeforums.net/bicycle-mechanics/249290-new-bb-grey-gritty-gunk-left-threads-normal.html)

acape

11-30-06 02:49 PM

New BB - grey gritty gunk on left threads - normal?

Just got a brand new 105 bottom bracket (BB-5500 octalink) and cranks. The main body (right) side's threads look clean. But on the other side's threads there is some yellowish grease (it appears) and 4-5 of the threads have a greyish gunky, almost gritty looking material in them. What is this and is it normal?

karasek

12-15-06 06:46 PM

The grey stuff is micro-encapsulation. Thread lock applied at the factory. The yellowish grease, well my best guess would be grease. :)

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