It appears going to the 20" front wheel allowed you to have positive trail and positive rake, instead of that insanely, unconscionably-unsafe reverse-rake fork and 90" steerer. I bet the handling is 10,000% better now. The suspension, although nice, pales next to the improvement in geometry. I also see you've routed the front brake cable on the starboard side so it doesn't rub the chain. Excellent job all around!