In my experience: It's more likely to be some detail about your two positions than the coarse category. In my case, a change of saddle made a great difference.

In my experience: It's more likely to be some detail about your two positions than the coarse category. In my case, a change of saddle made a great difference. The two saddles weren't particularly different in price or overall look, but one happened to fit my body much better than the other. Luck.