X4 Aluminum Flex Chassis works for some carpeting songs, and high traction asphalt songs. The X4 chassis was created to utilize the X4 suspension system hands, motor mount, T-brace and features holes for centering pins the bulkheads, front shock tower, and back human anatomy mounts. The 2.0mm thick aluminum flex chassis is CNC-machined from premium Swiss 7075 T6 aluminum, then black colored colored coated and laser engraved. The ultra-narrow framework is 84mm wide and features unique cut outs that offer the framework flex faculties suited to a wide variety of the traction quantities. The bottom of the framework is shaped to lessen contact in the middle of your chassis and also the ground while looking at enhance cornering speed.