The ULTIMA series competes at the highest level in major 2WD racing buggy races around the world. Continually evolving to be at the forefront of racing trends, the ULTIMA RB 6.6 is the most advanced competition model in the series to date and forms the base for this Readyset version. While the kit version of the RB 6.6 features four transmission setups (rear motor, 3 gear midship, 4 gear midship, low-down midship), the Readyset version represents great value and includes the 4 gear midship transmission with its more controllable feeling. As the basic configuration of the chassis and components are the same as in the kit version, the same wide setting options allow the chassis to be competitive on the race track straight