5150 Race prop series delivers a 25% smoother and responsive feel, which guarantees precise performance while flying in a high speed. The changes are most noticeable in Extreme cornering, decelerating and changing of direction. With the added winglets, dreaded prop wash is reduced by 50% , while increasing 
efficiency. The net result is that you can experience more stable yet vivid flying control regardless of speed. 5150 series is perfect for Freestyle pilots and racers alike!