Really look into other balls before you go motiv,Make sure your driller knows what type of ball you throw. I bought a TR2, was very excited saw all the videos and read the hype on the ball, I got it, the ball didn't move anymore in fact less than my 3 yr old Total NV, Make sure you know what you want the ball to do, do you want Asymetrical or Symetrical. this 179.00 ball is an expensive door stop, this is after 7 months of working with the ball and several surface changes.
to Motiv Sorry...