I also tried the Ultimate King seat; road it for 3 days (300 mi), same result as the OP. Too cramped in the hips and knees; had to send it back. More comfortable on the stock. I'm 6'3" with 34 inseam
Russell Day-Long: I only had the front section of my seat redone and it was around $550. I also purchased anothers members take off seat while mine was sent to Russell. When it came back I sold mt stock seat to another member. No out of pocket for that. Put 78,000 miles on it and transferred it to my new to me 2015. 80,000 comfortable miles now and going....