-----

The OEM binder was produced by ALGI.

This company still exists but has not manufactured cycle fittings for many years.

One mail-order source for ALGI binders (also employed on stems) is Mel Pinto Imports.



---

You may discover that the threads and nut size on the Gripfast binder are Whitworth dimension.

The firm was a supplier for Raleigh binders and wedgebolts.

-----