Optimized Design for Performance: The GX-V4 Drone Frame Kit is meticulously crafted from carbon fiber, ensuring durability and construction, ideal for both freestyle and long-range racing drones. 15 inches (660mm) , it caters to diverse flying needs and styles Enhanced Durability: Built with robust carbon fiber, this frame kit withstands rigorous flying conditions, making it a reliable choice for racing enthusiasts and hobbyists seeking a resilient quadcopter frame Versatile Use: Whether you're into high-speed racing or intricate freestyle flying, the GX-V4 frame kit provides the necessary support and flexibility to enhance your drone's performance in any scenario Wheelbase: 660mm Top plate thickness: 2.5mm Bottom plate thickness: 2.5mm Arm thickness: 8mm Camera mounting hole spacing: 19mm 20 x 20mm and 30.5 x 30.5mm measurement and mounting hole spacing Flight controller mounting spacing: 30.5 x 30.5mm Inner space height: 40mm Motor mounting hole spacing: 25 x 25mm and 30 x 30mm Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: As Shown Material: Carbon Fibre Package Contents: 1 * GX-V4 FPV Drone Frame Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.