I bought an Asian Ncode Tour 90 from the auction site. It weighs 12.1 oz unstrung. And you know why? I happened to take the grip off the handle and found the truth beneath. The racquet is originally 4 1/4 grip size, and was added a full shrink sleeve, and changed to 4 3/8 butt & butt cap. It looks so cheap because the butt and handle is fastened by two Nails! That's why it weighs even heavier than the US version.