T420 framework was created and developed the centrally placed layshaft. The framework is completely redesigned to allow for the guts drivetrain system as well as the slim mounts for the long supply suspension system. The updated design moves the key bulkheads towards the middle by 1mm, and includes mounting holes for both long supply and short arm suspension holders allowing switching between your two designs using the same framework. The 2.0mm dense aluminum flex chassis is CNC-machined from premium Swiss 7075 T6 aluminum, then black coated and laser engraved. The ultra-narrow framework is 84mm wide and features special cut outs that provide the chassis flex characteristics ideal for numerous the traction amounts. The bottom of the framework is shaped to lessen contact involving the framework additionally the ground while looking at enhance cornering speed. Suitable for medium to high traction carpet songs and high traction asphalt songs.