X1 chassis CNC-machined from 2mm premium Swiss 7075 T6 aluminum and undoubtedly black colored colored colored coated. Designed & developed to boost traction, security, and steering in a few conditions. The aluminum framework provides better control and makes the auto better to drive. Perfect for high and very-high traction tracks. 24mm narrower than previous framework variations, eliminating connection with the track in corners while rolling, and supplying improved cornering cost. Includes a slot for a composite battery power backstop allowing 5mm battery pack place modification utilizing the numerous regularly utilized cross-chassis alignment setup. To be used with #371148 aluminum rear pod dish.