it is clear that the whole crp2 set had already taken up the entire base plate.
it is plausible that it can be installed with the extension plate but the extension plate will be protruded out of the wheel stand and technically it does work but stability wise no one knows.
No worrries, I did my on research. Just for people wondering one day if they thought the same as me.
the answer is no, from Reddit (https://www.reddit.com/media?url=https%3A%2F%2Fpreview.redd.it%2Fmy-experience-with-the-r12-v2-and-the-crp2-pedals-in-a-v0-uuy1bk1relbg1.jpg%3Fwidth%3D4284%26format%3Dpjpg%26auto%3Dwebp%26s%3Daa3417894b3e438204ed5dc642411d670c747329)
someone posted the crp2 pedal set as reference.
it is clear that the whole crp2 set had already taken up the entire base plate.
it is plausible that it can be installed with the extension plate but the extension plate will be protruded out of the wheel stand and technically it does work but stability wise no one knows.