I did close to the same in my pm2. I do all my edges freehand so I have no idea the exact angle, but judging by the height of the bevel on yours, I'd say mine is very similar. I used it for a while with no microbevel and it cut like a laser. Unfortunately much of my cutting happens to be pretty thick, abrasive cardboard and it did chip on me a few times. Nothing major, but enough to be obvious that I needed to go a little bit more obtuse. I put a 30° inclusive microbevel on it, keeping the back bevel at what looks to be around 20° inclusive and it has preformed admirably.