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@Archie's_Grobags
Star nuts may dig into the steerer, but they also place all the load on a much smaller area.
Don't underestimate the forces and vibration that heavy braking will place on each edge of each star nut fin.
Not to mention the threads of the securing bolt, which will only be holding by a smaller number of the threads an expanding wedge bolt will.
something like this one allows a huge surface area for both grip, and support...
But also, don't forget that pretty much ALL aftermarket wedges AND starnuts will be the wrong size, as the base of most steerers on older track bikes will have smaller internal diameters to the top of the steerer.
Some cast crowns have very little space inside, which again means that the braking force stress will need something with higher strength inside than starnuts.
IMO of course. :]