this post was submitted on 15 Jan 2026
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Bike chains can retain up to 82% efficiency completely unlubricated, though they slowly take damage.
Weird factoid about chains
I've also successfully lubricated one using vegetable oil in an emergency, it worked shockingly well
I've used WD40 on a bike chain before. It's amazing how angry that made the bike techs at my local shop. I suspect vegetable oil would make them kill and eat me.
Vegetable oil is relatively safe, if a bit messy. WD40 actually has solvent in it that can damage plastic and other synthetic materials.