Originally Posted by
scoatw
I keep the bike dirty and grungy looking to hopefully dissuade against theft. But I clean my chain regularly(monthly). And occasionally I'll clean the brakes and crank/BB, and cassette. But the chain is the most important part so I do regular maintenance on that.
I use a grunge guard on the rear d so that eliminates me having to do anything with that.

Oooh! Getting one of those for this next winter, a cursory google search suggests that they are not common but still available on certain sites including eBarf.