If it's the standard plate setup, the Look SPX 15 rockerflex would be for a heavyweight hard charger, but the 12 will suffice for most. The old maxflex Rossi/Look race bindings should match to the plate as well.
Will the SPX 10 fit also?
Putting a 10 Din binding on a ski like that is taking a lot away from the ski. You can't just look at Din #'s. It's clamping and what force can be transmitted. What happens with flimsey bindings is on steepish turns you'll get wobble. Well that's where you'll notice it the most but it's always there.
There's a reason people want Look to make the Pivot 18 with a lesser spring to move the minimum Din down below 8. So you get that Pivot 18 toe.
Thanks, I did not know these things. In that case, will there be a significant difference in performance between the SPX 12 and SPX 15 on these skis as well?