Selcof Sterrato bars, Holdsworth stem, Tektro RL520 levers and Shimano bar end shifters.
The shifter didn't fit in the bars. So first I tried using a grinding point to remove some material from inside diameter:
Unsuccessful! Next I tried brace and flatbit, which worked:
Bars and stem fitted with temporary spacers:
The forks are 1.1/8in A head and cut a little shorter than I would like. I found a low stack (22mm) headset in Wilkinsons. I presume I will be ok with the steerer tube inserted 3/4 of the way into the stem?
The original forks would have been 1.1/8 threaded.