Wanted Roox Crank standard bolt center 74/110

[esox-hamburg]

Hello, I bought a super nice Roox crank but unfortunately it has a compact bold center but I need a standard bolt center (74/100). Does anyone have an old or even defective Roox crank with a standard Bold Center or just the Bold Center as a spare part? Any help is greatly appreciated!
Thanks in advance and greetings from Germany.