OPTIMIZE BLOOD FLOW - Just like all of ISM's saddles, the PN 4.1 features ISM's patented no nose bike saddle expertly engineered to alleviate soft tissue pressure, promoting optimal blood flow while reducing genital numbness for a more comfortable ride
AUTO-RACING MOTIF - Similar to the PN 4.0, this enhanced anatomic relief bike seat incorporates a chassis with an air vent design influenced by auto-racing, enhancing its aerodynamic efficiency.
UNRIVALED PERFORMANCE - Like the PN 3.0 and 4.0, this noseless bicycle seat features an ergonomic tapered front, providing superb thigh and hamstring clearance. We've also included an upgraded 40-Series foam padding, providing an additional layer of bike seat comfort
SADDLE SPECIFICS - Part of ISM's Performance Narrow series and the enhanced version of the PN 4.0, this noseless bike seat also measures 255mm long and 125mm wide, crafted with upgraded Chromoly rails for enhanced performance and durability
RACE ACROSS DIVERSE TERRAINS - The PN 4.1 comfort bike seat builds upon our award-winning PN 3.0 model by adding an extra 5mm at the rear. This broadens the range of pelvic/body positions it can accommodate, making this anatomic bicycle saddle adaptable across various terrains