Finally I bought an OS Giken directly from Japan, since I live in Europe and the costs of importing something from the United States are very expensive.
The 20 discs are configured to work
https://postimg.cc/hX9BYLTD
The ramps are 25/45
https://ibb.co/N6KZnL07
I think it's interesting information, although I don't have the knowledge to determine if this will work correctly for my road use and some track weekend.