Hi - got one from https://www.retrobike.co.uk/members/stmoots.57491/
When I remember he told me that he has an additional one or knows a guy who
has some. Please contact him for more info. Best luck - Gerald
At the end I manufactured a bunch for me and Retrobike people. I've 30 and 31,8 in black, silver, gold and red. COntact me If somebody needs it. 25 € + shipping.