Thread: Anybody Ever Wear Out A Ceramic Bearing In A Shimano Jockey Wheel?
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Old 06-16-24 | 07:32 PM
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FBinNY
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From: New Rochelle, NY

Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

Long before you'll wear out a bearing, ceramic or steel, (or even a bronze bushing) you'll see the effects of dirt accumulation and/or peripheral wear of the pulley.
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