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O-ring from Ultegra RD jockey pulley(2 posts)

O-ring from Ultegra RD jockey pulleycommuterguy
Apr 1, 2002 8:01 AM
I noticed a rubber o-ring about half-way out of the jockey pulley (closest to the cassette) of my ultegra RD. I didn't see any way to get it back in, so I cut it and pulled it out. (I was afraid it would snag the chain and cause my drivetrain to lock up.) Is this a must-get-fixed-ASAP problem or a lubricate-more-often-and-replace-pulley-sometime-soon problem? Should I go ahead and replace both pulleys? If so, with Shimano or aftermarket parts?
Ah, no biggie...floatch
Apr 1, 2002 8:23 AM
That ring is just a dust shield that keeps the bushing from getting fried. It is more of a "lubricate-more-often-and-replace-pulley-sometime-soon problem", rather than a "must-get-fixed-ASAP problem."
As for replacing with Shimano or aftermarket pulley, I'd most definately go with a Shimano direct replacement. Aftermarket pulleys have a history of screwing up a good thing. As for now, I'd disassemble the top pulley, lube it with some nice fresh green phil wood grease, and have the LBS order some replacements. Then, go ride!

Cheers!