Badgers go mountain biking in....... Suffolk?

That stack is going to bring the reach back by 60mm after you add the spacers to accommodate the giant. And he'll end up with a 120mm stem.

Extra longest is 689mm top tube

Would you believe that's actually not enough? I want 700 minimum, and T2 imaginary bike is 709mm :D

XXL Nicolai G15 is 715mm