I believe i pulled off a first, I broke an RC-Monster diff pinion

Originally Posted by david lamontagn

+1. tHE HOLE IN THE CENTER IS THE WEAK SPOT ON THIS PINION

Did ou use the 2 speed trany or you lock it in second gear?

Now I don't have a Monster diff so I don't know what the pinion looks like. Torsional strength is highest in the outer radius the metal in the center does little other then add weight. I'll have to see pictures.