X1 framework CNC-machined from 2mm premium Swiss 7075 T6 aluminum not to mention black colored colored colored colored coated. Designed & developed to boost traction, safety, and steering in a few conditions. The aluminum framework provides better control and makes the car simpler to drive. Perfect for high and very-high traction tracks. 24mm narrower than previous framework variations, eliminating experience of the track in corners while rolling, and providing improved cornering price. Includes a slot for a composite electric batteries backstop allowing 5mm battery pack place modification using the numerous regularly used cross-chassis positioning setup. To be used with #371148 aluminum back pod meal.