| Thunder Bearga|
|Product Code||CB-12 (Takara Tomy)|
|System||Core Change System|
|Japan||August 27, 2011|
|English||August 1, 2013|
|Special Move(s)||Claw Slash (Torque Core) Stealth Strike (Roll Core)|
|“||Knock 'em all down, Thunder Bearga!||”|
—Grizz firing his B-Daman's "Claw Slash" power shot
Body Set: Bearga
Head Part: Bearga Head
The Bearga Head is designed like a bear's head, with a red visor in it's open mouth, two red eye designs, and a purple sticker shaped like a scar. The Takara-Tomy version has the CBC number 021.
Arm Parts: Bearga Arms
These Arm Parts are rather large, with five-fingered hands meant to resemble the claws on a bear's front legs.
Thunder Bearga has solid red Stud Parts.
Leg Part: Bearga Leg
The Bearga Leg is of a bulky-looking design with three toes, and meant to resemble a bear's hindlegs.
Core Part: Thunder/Torque
Torque has a set of three Hold Parts in a "delta" formation. Two of the Hold Parts end in two large, square-like tips that extend beyond the business end, resembling bear paws. It also has a Trigger with an extended lip that allows the user to push with two thumbs, firing the B-Dama from it with higher strength. Unlike Accele, however, it has no Drive Strip. The Takara-Tomy version of this Core Part is numbered CBC-103, for use in the B-Ta 1Go arcade game.
Early concept art for the B-Daman indicates that Torque was originally to have two Hold Parts, similar to the later Break, along with a regular-type Trigger and differently designed tips on the Hold Parts. Later concept artwork showed the near-final version of the Core with three Hold Parts in a "delta" formation like that of Accele, along with the first design of the distinctive Trigger.
Hasbro's Thunder Bearga has differences between Takara Tomy and Sonokong's Torque=Bearga. The Bearga Body became a blue-violet rather than purple. The Bearga Head turned the X-shaped sticker from purple to lime while also removing the eye decals and changing the mouth-visor sticker from red to lime. The Bearga Arms turned its black and purple stickers into yellow and red but took away the red stickers which formed claws. Torque's Hold Parts also turned a brighter red. The Bearga Leg removed the black stickers, as well. The Hasbro Bearga also comes packaged with a semi-translucent dark gray target pin that could hold two B-Dama and has fins on it that makes it resemble something like a rocket.
The Thunder Bearga prototype held a black Body Set colour scheme. It was very similar to one of Thunder Bearga's concept art designs.