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Discussion Starter · #1 · (Edited)
I just changed out my front sprocket & in the process found my chain adjuster cam extremely difficult to move.
Even after removing the wheel & supporting the weight of the bike via a jack under the drag link, it was still really tight. I sprayed it liberally with PB Blaster (my favourite release agent!) and managed to free it up but I could feel it really 'gritty'
Took the hub apart & found the reason for the 'gritty' feel - GRIT!

This is what it looked like:

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So cleaned all that junk out of there & then used a liberal coating of Mobil 1 synthetic grease before re-assembly.
Can turn it by hand now! Well worth the extra effort.

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Finished by cleaning, lubing & adjusting the chain of course.

[ This message was edited by: DEcosse on 2007-03-07 23:05 ]
 

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Discussion Starter · #2 ·
I've seen reference elsewhere to use of copper grease for this particular application - I wouldn't have thought it would be necessary: both interface parts are aluminum, so no dissimilar metal and it's not high temp either. But I'd be happy to stand corrected if I'm missing something in my understanding of its application and why it would be important to use copper grease.
 
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