My advice would be to forgo the reach and stack to match your current bikes and just set the seat based on the larger size. Others have fallen into the trap you are leaning toward and it hasn’t worked out. You want to be in this bike: long, low, and slack. Matching the reach and stack isn’t critical important on a MTB. You move and constantly adjust your body based on several factors. You want to be low in this bike, not high on it.

Hi Quentin, thanks for all those graphics and don't want to deviate the thread, but even when the saddle/handlebar distance is the same, the pedaling position it is not. In this example you are much more over the BB which I don't want to change from my actual bike as I train on three different bikes and have it dialed in terms of power and comfort, this is why I think it would be easier for me to get that position on a M frame. I would like to keep the same saddle to BB height/offset and distance to the handlebar. Maybe it would not be possible on a L as the reach is much longer.

Here is Patxi Cia's bike, a Spanish xc racer which is built with the same approach (xc/xcm aggressive riding). He is shorter (1'75 mtrs) and rides a S size.
B
A 9'8kg rocket

Thanks for the feedback! Where did you order your Novatec hubs and Pillar spokes?

729 € for blue with twist lock
749 € for black with twist lock

I bought a black but there were only a 2 in stock when i paid.

This is not her private email, the benefits of having an email address on a forum like this outweigh the risks.
She will get some spam sure, but more sales too.

Do you know if the Rockshox twist lock remote will work with the DTSwiss shock?
I already have the fork