Readytosky 220mm FPV Racing Drone Frame for Martian II Carbon Fiber Quadcopter Frame Kit 4mm Arms with Power Distribution Board(5030 propellers,battery strap)
$26.99★ Full 3K Carbon Fiber airframe featuring a solid 4mm removable arms
★Custom aluminum hardware to enable one tool, quick swapping of arms in race pit settings ；Black Oxide steel screws
★Multiple motor mounting holes to fit a variety of motors (M3 and M2 screw mounting patterns).