Originally Posted by seasons29
What performance differences does it make with brushless motor?
X-ray 1.9 ratio
TRF417 1.947 ratio
Photon 2.0 ratio
Which one has better avantage?
I believe the bigger each pulley is the smooth and more efficient. As the belt doesn't have to bend as much.
So this would give a better speed and better run time but you wouldn't notice it unless your chancing .1 on a run.
IMO the photon drive line is the best of all the cars I have owned