Hobby-Ace 2 Sets H260 FPV Racing Quadcopter Frame Kit with Taillight and Propellers as QAV250 etc Diagonal motor to motor length is 260mm and light weight 400g only. Plenty of space is reserved on multiple layers so that you can easily fit your FPV and neatly tuck away all the wires. Equipped with rubber damper to decrease vibration during flight. Made of nylon fiber,exremely durable yet lightweight for FPV racer. More FPV racer quadcopter product is provided by us in Amazon.Bring your eyes into the sky and racing like a free bird, enjoy the ultimate first person view experience.