i dont get why people freak over what type of metal it is, guess its just preferance, i think they all play the same
Without wanting to start another debate:
7075 is more dense than 6061. This makes the 7075 yoyo carry more momentum per unit of volume. Some people think this gives the yoyo greater speed from string to string as well as increased spin-time due to more momentum in the same throw when compared with 6061.
Ever throw a Turning Point or YYR? They all can go for long times and still return to your hand with a resounding thump even after a long combo; Not the pathetic finishing bind that many "floaty" 6061 yoyos give.
Why are Japanese players so fast? I think that 7075 has ALOT to do with this. Check the vids from Worlds this year. The American players are almost ponderously-slow when compared to a Marcus Koh or Christopher Chia. Yeah, they have lots of twisty-stringy-spirit-bomby tricks (*boooooring*), but the speed and consequently points, lie in the hands of the Asian players.