Join Date: Apr 2009
Location: 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
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To add to the above. Left alone, the drivetrain accumulates a film of waxy/dirty oil residue, which is an effective rust preventative. New stuff and stuff that people religiously keep clean lacks this nasty film and is more pone to rust.
In any case, minor surface rust isn't a crisis, and is rapidly burnished off the working areas the same way trains keep the tracks polished. However don't let rust get deep on the surfaces of the chain plates as they're thin to begin with, and don't have much reserve strength. (minor rust around the plates' rims is OK).
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