The FE250 is a symmetric 250mm size airframe that accommodates 5" props. The 250mm is measured from motor shaft to motor shaft diagonally.

This is a complete airframe kit for a 250mm Mini FPV Quadcopter, all the frames are made of strong and sturdy carbon fiber plate with excellent quality and super light weight, effectively reduces the take-off weight. The entire assembled kit weighs only 124g. 

The thickness of carbon fiber fuselage is 1.5mm and the thickness of machine arm is 3.0mm, which can ensure the flying ability of the quad and effectively reduce the vibration.

This frame is of simple design yet beautiful. It is very easy to assemble, you can refer to the instruction.