Those are produced under my design. I can get you a pair for 170 € including 20 connectors to install them. If you are interested on a pair you can write me to: ark.santos@gmail.com
I´m installing those RC30 looking brake discs with RC36 measures.
Front ones are in 296 or 310 mm butter diameter options and fit RC36-2 inner disc. Material is 2Cr13