Originally Posted by
alcjphil
For bearings, as long as there is no remaining grit it is unecessary to remove any remaining oily film. After all, the bearings are going to be greased. Waste of alcohol in my opinion
Agreed, WD-40 is not going to hurt anything, I use it all the time. Wipe dry, apply grease. When used on chains, I wipe dry and then lay it out on a piece of cardboard and blow the remaining WD-40 out with compressed air. Install chain, apply chain lube and wipe dry.