... a couple times. First was a Cloud-9 Cruiser saddle because the OEM broke a spring; the C-9 saddle was extremely comfortable. Second was replacing the stock Meridian saddle with one from an old bike; it was uncomfortable like you said just short of 10 miles, but school commutes were over 30 miles, so the wider softer cruiser saddle did the trick and saved money because it was a spare.