Buy some 5/16" EN16T rod off Ebay and thread each end 26tpi cycle thread as I did.

Hi Kevin
If you get stuck - I have them here nos
Drop me a line if required
There are 3 different lengths - 4 in total
Br
John

email (option): jonnyob1@googlemail.com

thanks everyone for the ideas, suggestions and offers, very kind.
I have decided to make them mostly because its the quickest way

email (option): taybrig@shaw.ca