Originally Posted by Unsullied_Spy

Delrin spur should last a while if your mesh is set right and the motor mount doesn't flex. Pretty hard to snap those teeth off with straight torque but it isn't impossible. I think my Hyper 7 runs around 50 MPH as it sits but it's just a parking lot basher. You should be able to push 90+ with your setup if you do just speed runs/drag racing but watch those temps!