3 in 1 is a spindle oil, with citronella added. Spindle oil is a low viscosity oil used for textile mills. It coats the spindles, keeps them from rusting during shut down, and acts as an anti corrosive. It also doesn't stain fabric. (According to BP, who, in my area, have many a gas station, but few pumps that are in operating condition). But this aside, it seems that spindle oil may be a good, non-gumming solution to the endless and entertaining perennial question of what one should lubricate a bicycle chain with. The keeping qualities of paraffin and the viscosity of a fine Merlot.