The XB4 framework is revised to place fat further ahead, with component guard mounting functions for symmetrical flex, updated fan owner mounting roles and many battery place choices to replace the extra fat security. The framework features a bit more ahead biased design. Slipper/center, engine and electric batteries is at truth relocated notably ahead to improve protection. The medial part guard mounting holes are symmetrical for equal left-to-right flex faculties. The framework features holes for a fan mount and lots of power packs post jobs to improve the packââ¬â¢s location and adjust the F/R fat protection. CNC-machined from top-notch Swiss 2mm 7075 T6 aluminum, the framework is strategically machined in low-stress areas making it since light as you are able to without impacting energy or rigidity; and yes it's moreover black-coated for increased lifespan.