My good friend just picked up a 09 Yam 450R. He wants new rear tires. I run the razr2's and are extrremely happy with them. Not one puncture over 2 seasons and I beat the shit out of them. I just picked up a brand new set of rears. Now I hear people talking about those new GNCC tires. Im sticking with my RAZRS but I I just dont know what to recommend my friend. He wants the Razr2's because he knows I stand by them but if there is anything better out there for him please let me know. TY for your time.