CNC-machined from top-notch Swiss 2mm 7075 T6 aluminum, the framework is strategically machined in low-stress areas making it because light as you can without affecting energy or rigidity; and it is additionally black-coated for increased lifespan The chassis is updated to allow for bulkheads with Horizontal Split Design (HS) together with tweak-free Quick Battery Holder. Fits XB4'21
