Originally Posted by
BigChief
We are very fortunate that so many choices of 3 splined dished cogs are available for Sturmey Archer hubs. With a choice of 16T to 24T, overall gearing can be adapted to suit anyone's needs and helps make these old 3 speeds very practical everyday riders.
My clever mechanic friend clamped an SA cog to a 22 hyperglide cog. He traced it out and then demel-tooled the excess metal and cleaned it up in about 20 minutes. I have one, it works fine with narrow or wide chains and sounds easy to do. I'll try it next time I need a big one.