- This article is about the Hasbro version. For the Takara Tomy version, see Chassis - 1B.
1B-D is a Forge Disc released by Hasbro as part of the Burst System as well as the HyperSphere System. It debuted in western countries with the release of the SpeedStorm Starter Pack Kolossal Helios H6 1B-D Zoning-SPM.
1B-D is a Forge Disc based on Takara Tomy’s 1B Chassis. 1B-D is composed of a metal core and a plastic perimeter riveted to it.
- F0554 Kolossal Helios H6 1B-D Zoning-SPM
- F0566 Demise Devolos D6 1B-D Merger-SP
- F0571 Infinite Achilles A6 1B-D Dimensioning-SP