CNC-machined from Swiss 7075 T6 aluminum, this X1 framework contains unique cutout areas for increased flex. This framework is preferred for and works well on medium and high-traction songs; not recommended for very-high traction conditions, when the #371016 Aluminum Chassis increases results. This aluminum flex framework creates more traction and offers enhanced steering. Used effectively by Team XRAY at numerous activities, this framework is a must have for each severe racer. 24mm narrower than previous framework variants, eliminating reference to the track in corners while rolling, and supplying improved cornering cost. Includes a slot for a composite battery pack backstop allows 5mm battery power place modification with the most often used cross-chassis positioning setup. To be utilized with #371148 aluminum back pod dish.