Originally Posted by Patrick L.

Hello,
A while ago I read about the benefit of changing the rear cog on the Sturmey-Archer AW hub, so then bought a 3-spline 22T cog on Ebay. I wanted to replace the cog on a 1950 Raleigh Sports (original cog was 18T) but found out that the cog on the 1950 hub was threaded, so the new 22T cog went on a 1978 Raleigh Sports instead. It worked fine and is still on the '78 Sports.

So my question is: Are threaded cogs available for the threaded hubs of the earlier S-A AW hubs?

Thanks, Pat L.