Thinner 1. 6mm graphite top deck is preferred to be employed in low- to medium-traction conditions with all the current aluminum framework. The redesigned top deck works together the guts layshaft location in the center of the framework. Made from 1.6mm graphite item, the design through the top deck is created specifically to do maximum traction and great steering traits moreover. The very best deck are installed via connecting stand using these flex options: 1.) smooth environment - the most effective deck is not attached to the are symbolic of maximum flex to come up with optimum steering but might be more difficult to drive. 2.) Medium environment - the best deck is linked to the stand through a ball-bearing enabling the utmost effective deck to flex side-to-side although not front-to-rear. 3.) Stiff environment - the most effective deck is connected to the stand through a tough and fast bushing that totally stiffens the whole car for increased security. Fits T4'21