Re: changing the spin on a sprocket
In the name of science I took apart an old schwinn ten speed sprocket.
As you can see the sprocket cluster is built around a machined hub with stepped cogs designed to go in one direction only. I travels around two
spring loaded tabs also non reversable. You woould have to machine your
own parts I am afraid. This wheel is thirty years old however, so maybe a modern wheel would be slightly different. But I think you would have similar