We always carry varied stock of the ISM saddles, mainly because we're continually purchasing them for ourselves too!
The front arms of the PN 1.1 feature a contoured downward slope. This can aid in allowing the rider to roll their hips forward for high power output, or for increased comfort with a high amount of saddle-to-handlebar drop.
Introduced in 2011 and all about performance! ISM’s winning design allows for increased hip rotation, thus decreasing a rider’s aerodynamic drag and opens the diaphragm for easier breathing. Riders report an increase in wattage due to the more aggressive positioning. Sloped front arms provide extra relief to the superficial perineal space. From the start gate to the finish line, you will slice through the competition.