If I may, where did you source your tires?
I ordered them directly from ReneHerse. I placed myself on a notification list for whenever they had a run of them available. Had to pay top $$$ but it looks like they have some w/ silk casings in stock again.
https://www.renehersecycles.com/shop...ubaix-tubular/
__________________
Montana, where men are men and sheep are lying little tramps.