Hi,
I just got the answer from J Costa, about the differences between the Evo2 and Evo3 versions.
Here is their reply, google translated from Spanish to English:
"The main difference is that the EVO 2, predecessor model is made of aluminum.
The Model EVO 3 is ceramic coated aluminum, which makes it more durable over time."
(In Spanish: La principal diferencia es que el modelo EVO 2, es anterior modelo fabricado en aluminio.
El Modelo EVO 3 es de aluminio con recubrimiento cerámico, lo que hace que sea mas duradero en el tiempo.)
I don't know, but maybe they have tried to address the problems users have experienced regarding "pin" durability.
Anyhow, I will order one to find out how it works. I also plan to use an accelerometer to find out the difference in acceleration and top speed between the original setup and with the J Costa.
Cheers,
gorana