About this item XL7 V5 is upgraded 7 inch fpv frame, the main advantages of the XL series V5 are in the flight performance, the stronger and thicker arms The XL series V5 frames fly balanced because of the true X configuration and wide stance. This main change makes flight stability in the air NEW version arm thickness is 6mm, easy to repair, easy to swap the arm 7 inch frame compatible with 20*20, 30.5*30.5 mounting holes for all FPV flight controllers 7 inch FPV freestyle frame design for long range flight, Compatible for DJI fpv air unit