A sensational choice, the Serfas Men's RX Eliminator Bike Saddle will definitely satisfy the shrewdest critics. Serfas keeps on delivering great products at great value. Check out the full range today! Serfas RX designed saddles have a Full-length anatomical groove down the middle of the saddle along with an elevated seat position. This has been proven in clinical studies to eliminate pressure and significantly reduce numbness around your soft tissues (plumbing) and where it belongs, around your sit bones. This means that you can ride longer and not pay for it later in the day.