Lego Technic 42129 C model - Ultra 4 Buggy

Building Instructions are available on Rebrickable: This is an Ultra 4 Buggy alternate of the Lego Technic Zetros set (42129). To achieve both higher speed and good climbing at the same time, it features 4-wheel drive with a 2-speed gearbox with 3x speed ratio, long travel independent front suspension and highly articulated 4-link live axle rear suspension.