The Tamiya 19445 Buster-Sonic Premium is a high-performance reissue of the fourth-generation machine used by Retsu Seiba, one of the protagonists in the classic Mini 4WD anime Bakuso Kyodai Let's & Go!!. This Premium version updates the original 1990s design with a modern, high-rigidity chassis and improved race specifications.
The Buster-Sonic Premium is designed for stability and high-speed cornering. As a "Fully Cowled" model, it features aerodynamic bodywork that covers the wheels, reducing air resistance. The white body is complemented by the iconic red and yellow flame graphics, which are included as metallic-effect stickers for a sharp, professional finish.
Chassis: AR Chassis (Aero-Dynamic design) molded in metallic gray ABS.
Motor: Includes a 130-type motor with a 3.5:1 super-speed gear ratio.
Drive: Shaft-driven 4WD system for consistent power delivery.
Wheels & Tires: Stylish 5-spoke wheels paired with low-profile slick tires.
Maintenance: Features a removable underside panel, allowing you to swap motors or batteries without removing the body.
Dimensions: Length: 155mm, Width: 97mm.
Aerodynamic Efficiency: The AR chassis is engineered to channel airflow for cooling the motor and batteries while providing downward force for better track grip.
Easy Maintenance: The chassis is designed for racers, featuring a diff-style rear skid bar and easy-access battery/motor compartments.
Customization Potential: Fully compatible with a wide range of Grade-Up Parts (GUP), such as ball bearings, mass dampers, and carbon fiber plates to enhance track performance.