A dual-spin Balance Type Double Chassis that can switch between a fixed blade Attack Mode and a free-spinning blade Defense Mode by swapping the Ring.
— Official Description
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2B is a dual-spin Balance Type Double Chassis with a round shape. The 2B Chassis has a plastic perimeter that is fixed in place (Attack Mode) or free-spinning (Defense Mode), depending on the Ring being used. When used with the World Ring, it can be switch between either of these modes by swapping the orientation of 2B. On most Rings, 2B is in the fixed Attack Mode, however when used with World, Jet, and Mirage, and Infinite (Balance/Defense Mode), 2B is in the free-spinning Defense Mode. As a Double Chassis, a 2B combination cannot use a Disc, as 2B has a Disc integrated into the design.
