Join Date: Feb 2008
Location: Western Washington
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Upgrading rear derailleur pullies to ceramic bearing
I was wanting to get any thoughts on upgrading from bronze bushings in my Chorus-11 rear derailleur to ceramic bearing (SR-11 or Token, etc) pullies from a strictly wear/maintenance-based standpoint (not the usual "bling" or attempt to buy some mythical 20 extra watts).
Despite not overlubing my chains, my rd pullies do get caked with crud from the often poor riding conditions, especially this time of year. I'm not into complete rd disassembly on a regular basis for cleaning/relubing purposes.
When I wash my bike, I find using Oil Eater spray cleans all the crap off my rd pretty easily without scrubbing (lest anybody get worked up, my bike is on a stand with wheels removed, pinpoint-directed low pressure water mist, etc.) Obviously, having Oil Eater dribbling through the pullies doesn't work wonders for whatever is lubing the bushings.
So my question: do ceramic derailleur bearings resist wear/still perform adequately with reduced/no lubrication caused by frequent cleanings? Should I stick to the Chorus-level pullies/bushings and just replace them anually as a wear item ($25 from PBK.)