Riding on a saddle too small? How about a saddle too small and too hard? If there is anything more uncomfortable than riding a bike on a saddle that is too small or too hard, we haven't found it. Nothing makes a ride more unpleasant - except maybe a torrential downpour. But even then, we think we'd prefer rain over a bad saddle.
There is a lot to know about how a saddle fits and what saddle will work best based on your bike, your posture, and your ischial tuberosity. Check out this video on proper saddle fit technique and then feel the difference that proper size, angle, and cushioning will make on your ride.