Originally Posted by
Jeff Wills
-ish. Grinding down the wide spline and using the threaded sprocket is easy enough. However, I’d be concerned that the threaded sprocket is worn while the other sprockets were not. The only way to find out it to try it.
Lockring instead of the threaded sprocket if it is worn. Bsa bb lockring fits.
You do lose a sprocket but you really don't lose that much if the ratios you choose suit your riding needs.
It's just a suggestion to show that it can be done quite successfully if required.