Hi guys. I am considering at a similar price Syncros XR 1.5 and Syntace W35; and at a lower price Stans ZTR flow EX which is the one I probably will order because of the price unless I find the Syncros or Syntace are much better; the part I don't like of the Syncros is the center lock rotor so, if your opinions are besides that I will really appreciate. Also, while not new to riding, I am new to MTB; I will ride trails on a Breezer Lightning, tubeless.