XB2 Aluminum one-piece framework with integrated kick-up optimizes weight stability and flex having its shape and framework fat options, fits the most recent battery pack types, and improves handling in all various traction conditions. The XB2 Aluminum Chassis 1-Piece provides better stability and it is ideal for greater traction conditions. CNC-machined from top-notch Swiss 2.5mm 7075 T6 aluminum.