I am ashamed to admit I have used quite a bit of gun oil on my chain over the years. Seems to work fine. But then again, I am of the opinion that the particular lube used on a chain is the most over-thought aspect of bike maintenance.
j
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Cross Check Nexus7, IRO Mark V, Trek 620 Nexus7, Karate Monkey half fat, IRO Model 19 fixed, Amp Research B3, Surly 1x1 half fat fixed, and more...
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SB forever