From their listing on Amazon"
"New aerodynamic design
LED flashing, hot wheel night flying performance, new aerodynamic design and low-noise quick-release features, and longer flying time."
I don't do any "hot wheel "flying, day or night, whatever that is. I can't put any faith in their claims of low noise and longer flying time. The added mass is unlikely to bend the motor shafts, but it can certainly degrade performance and increase wear on the motor bearings.
I'll stick with the stock props. I'm more interested in what the drone "sees" than what the drone looks like.