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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 01-26-09, 10:51 PM   #1
RalphMalph
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Rear derailleur grease? And how often?

Can I use Phil Wood Green Water Proof Grease for my XT rear derailleur?

I live in Florida and ride alot in the rain. How often should I grease it and do I need to take it apart to do so? I have a tendency to over think things.

Thank you for any and all help.

I also have some White lightning. Can I just squirt some of that in there every so often?
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Old 01-26-09, 11:24 PM   #2
Panthers007
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The only part of the RD you would use grease in would be, maybe, the lower tension-roller - that's the bottom wheel on the RD. I think the top wheel is either sealed or ceramic. Not sure, so look and see. On the parts that move, including the spring, you want to use a top-quality oil. By the drop on the pivots. Just one drop on each moving part is all you want. Otherwise it will attract dirt and grease and everything from outer-space to slime it. After you've oiled it and run it through it's paces (manually at home - not on the road), you should wipe off any oil that is visible. Just use a clean towel and give it a good wiping.
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Old 01-27-09, 01:16 AM   #3
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I'll make a plug for using Boeshield T9 in place of the oil P suggested.
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Old 01-30-09, 10:18 AM   #4
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Quote:
Originally Posted by Panthers007 View Post
The only part of the RD you would use grease in would be, maybe, the lower tension-roller - that's the bottom wheel on the RD. I think the top wheel is either sealed or ceramic.

Hey Panther, tell me more. I have a long cage Ultegra 10-speed RD that has sealed bearing on one end and a ceramic on the other. Are you saying the ceramic doesn't need lubrication? I took both off for the first time a few nights ago and cleaned them up. But beyond that I didn't know what else to do. I did put a little oil on the ceramic bearing. Not much you can do with sealed one.
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