3DX450 F frame

New CNC SSG carbon frame only 1mm, improve the rigidity and
perfect for 3D flying.
Changing servo location to CCPM version, new aluminum parts for prompt,
precision actions.
SSG battery mounting plate connects to main frame. It makes the center
of gravity closed to rotor blade, reduced the correction when the heli
rotation rolling.

NOTE this item comes in Silver Carbon Fibre and BLUE CNC Alloy design