Originally Posted by
tigerdog
As stocks of freewheels dwindle, it's harder and harder to get quality parts for our vintage bikes. Has anyone ever heard of a screw-on freewheel body that accepts SRAM/ Shimano hyperglide - splined cassette cogs? Is there such a beast?
One idea I've kicked around is to cut out the ID of HG sprockets to fit on Suntour bodies. The best bodies for this would be the AccuShift and PowerFlo models, with their multiple splines mounting notches and the single 13T threaded sprocket to secure the stack. There are also Shimano bodies which only have a single threaded sprocket as well, which could also be adapted.
Not being a machinist, engineer, nor metal fabricator, I'm not certain how this could be done in an efficient manner. Stamping would probably warp and deform the HG sprocket. CNC cutting would probably be too time consuming and thus costly. Then there is the cost of acquiring and servicing the freewheel bodies, collecting the needed spacers, and reassembly. So as can be seen, this would be an expensive endeavor.
I do have a good supply of serviced and ready to ship freewheels and might have what you are seeking.