For those who don't know, Hasbro ruined most of the 4d beyblades. The metal wheels can't change modes and there are no 4d bottoms.

Examples:
Big Bang Pegasis F ---> Cosmic Pegasis W105 R2F
L-Drago Destroy F ---> L-Drago Destructor LW105 LF
Jade Jupiter S130 RB ---> Jade Jupiter 130 B
Variares D ---> Variares 145 WB
Beat Lynx TH170 WD ---> Beat Lynx AD145 WD

Although some are still the same such as Scythe Kronos or Fang Leone, they still can't change modes and the colours are not the same.

Click this to see video about this:
http://www.youtube.com/watch?v=9LIxyZ7Dhs0

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I think everybody already knows.
If they don't, they could just go check the stickied "BEYBLADE: Metal Fusion/Metal Masters/Metal Fury [HOBBY]" thread...