New for 2011 and all about performance! From the start gate to the finish line, you will slice through the competition. 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 and increase in wattage due to the more aggressive positioning. Sloped front arms provide extra relief to the superficial perineal space. No Numbness - No Pain. Uses light weight foam and gel pads with titanium alloy rails. 245mm long and 130mm wide.