Ergon SM3 Pro Saddle. Ergon is out to take comfort to a whole new level. Already for famous for making some of the best grips on the planet, they've now moved into the saddle game. The Ergon SM3 Pro bike saddle is a mountain bike saddle that will make you feel like your seat area is being tickled by unicorns. It has been developed from the ground up to be the most comfortable, best fitting, best performing saddle you'll ever rest your cheeks upon. With a center relief channel, carbon shell and nose mounted micro damper, it's not hard to see why.