Steel track ends bolted to a steel frame? Why not just weld stainless steel plates straight to the stays, rather than going through a convoluted process which is really only needed when the main frame material is too soft to tolerate repeated track nut abuse?
Steel track ends bolted to a steel frame? Why not just weld stainless steel plates straight to the stays, rather than going through a convoluted process which is really only needed when the main frame material is too soft to tolerate repeated track nut abuse?