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@frank.f
Hi all, I have picked up a rather nice GB kromo underslung track stem that I intend to restore. The only problem is the expander bolt its pretty gnarled from years of use. The expander its self is fine but the head of the bolt is nearly round. Does anyone have one in good condition? Or know where i can get one?
The head is 7/20
its 7" long
26tpi
and i believe the thread is 9/32 in width.
It looks like this: http://www.classicrendezvous.com/images/British/GB/stems/531underslung_HS.jpg
Thanks