Harvey:
Hopefully, S-A oil will one day have the desirability of Harley-Davidson oil or Billy Beer.
To answer your question, I use 10-30 Mobil 1 synthetic oil. The hubs I use it in are quiet and smooth, and synthetic doesn't have petroleum's propensity to thicken when cold or gum up with age.
Chris Beyer
Bloomfield, NJ
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Harvey M Sachs wrote:
> With the demise of Sturmey Archer, we have a Really Important Job before
> us: What is the best substitute for S/A oil. It has been part of my life
> for decades, finding uses far beyond internal hubs. I love it for
> lubricating freewheels, for example. I used to use it for knife whetting,
> but will have to give that up to preserve my supply...
>
> So, I can see the ebay auction in 2021: NOS can of S/A oil, unopened but
> applicator tube cracked, sets new auction record for bicycle-related....
>
> :-)
>
> Harvey Sachs
> McLean VA