Originally Posted by Ian
I used to use WD40 as a lubricant, but someone told me it was a solvent that would remove the grease. I'd be interested to know if this is true? Anyone have any hard facts on this? (now I carry WD40 and chain lube, but would like to go back to only the WD40).
FWIW: (sort of an anti-WD-40 rant...
a solvent based product. It's designed to work as follows:
The can contents are a mix of solvent, or "carrier" and cleaner, plus a light lubricant. When sprayed onto a surface, the carrier/solvent cleans the surface, and penetrates deep into the smallest crack, carrying with it the lube (personally I think it carries some of the grot too). The solvent/carrier evaporates and leaves behind the lube, albeit not much.
Yes it works, but there's lots better out there. What it's brilliant at is a quick clean and lube to get something working/moving now. But it's poor over the long haul. I did a lot of testing many years ago in the Vancouver BC rainy/sleet/grit/sandy winter with it and many other solutions. We found that WD-40 lasted about three days at best
on anything, whereas Teflon based lubes lasted a week on average, and just about anything was better than WD-40
, even plain oil.
Back to chains - obviously WD-40 does work, but does it eat the o-rings? Without a true test - two identical bikes, one run dry and one lubed, you'll never KNOW which way is better
. So, personally I'd go dry
since it seems to work fine, and last long enough. And less aggro.
Yes I'm lazy!
FWIW - As a general cleaner / quick lube to get something working, I may use WD-40, and then just about anything else for long term, after it's cleaned by WD-40. I really like Tri-Flow as a lube, it also cleans pretty well, it excelled in our tests, and I haven't seen better yet. I carry a squeeze bottle of Tri-flow, so no aerosol, and it's done me fine.
hope that helps a little...