X1 chassis CNC-machined from 2mm premium Swiss 7075 T6 aluminum and additionally black coated. Designed & developed to increase traction, stability, and steering in specific conditions. The alu chassis provides better control and makes the car easier to drive. Recommended for high and very-high traction tracks. 24mm narrower than previous chassis versions, eliminating contact with the track in corners while rolling, and offering improved cornering speed. Includes a slot for a composite battery backstop which allows 5mm battery position adjustment when using the most frequently used cross-chassis alignment configuration. For use with #371148 alu rear pod plate.