This information is probably already on the site somewhere: the threads on the T3 swinging arm stubs are 20mm with a 1mm pitch. Saunders Motorworks in Cadnam, Hampshire recut these for me when I left the stubs in whilst having the frame resprayed - and then had problems removing them.
We have the tap…
Yes but you are alcoholic.
Blimey Ian, that’s a bit harsh, a drinker maybe, an alcoholic never 
Tsk…
Oo I dunno Chris…I mite resemble Eno’s remark !
Well you do go to meetings.
Blimey, so do I.
You are a bikeaholic?