The QAV-R Carbon Fiber X Bottom Brace acts has a cover plate for the bottom of your QAV-R. This 2mm solid carbon fiber plate adds extra rigidity and strength to the section where the arms attach to the main body plate. The brace comes with a set of longer screws to account for the addition 2mm plate.
X Bottom Brace: 5g
1x QAV-R 2mm Carbon Fiber X Bottom Brace
12x M3x12 black oxide steel screws