The Super-II Chassis (Japanese: スーパーIIシャーシ, Sūpā Tsū Shāshi) is a Mini 4WD chassis released by Tamiya in December 2010, with the release of Magnum Saber Premium. The chassis is the further improved version of the Super-1 Chassis. Super-II Chassis The Super-II Chassis (Japanese: スーパーIIシャーシ, Sūpā Tsū Shāshi) is a Mini 4WD chassis released by Tamiya in December 2010, with the release of Magnum Saber Premium. The chassis is the further improved version of the Super-1 Chassis. SuperIIChassisLogo.png Super-II Chassis The Super-II Chassis (Japanese: スーパーIIシャーシ, Sūpā Tsū Shāshi) is a Mini 4WD chassis released by Tamiya in December 2010, with the release of Magnum Saber Premium. The chassis is the further improved version of the Super-1 Chassis.