Aluminum T419 framework with exclusive cutout areas for increased flex. Redesigned to steer the T419 front side framework brace. The important thing brace which is effectively produce regarding framework with two screws removes part flex in front end end end regarding the framework, increasing steering response and making the automobile more predictable. This framework is preferred for which is effective on medium-to-high traction songs. (not advised for very-high traction conditions where #301149 - Aluminum Chassis works more effectively.) This aluminum flex framework produces more traction and makes the vehicle quicker and much more an easy task to drive. Successfully raced by the factory team, this is a must have actually actually in fact for every single severe racer.